diff --git a/package.json b/package.json
index 0238ee0..2b4652b 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "@material-ui/lab": "^4.0.0-alpha.56",
     "@material-ui/pickers": "^3.2.10",
     "@material-ui/styles": "^4.10.0",
-    "etebase": "^0.14.0",
+    "etebase": "^0.20.0",
     "fuse.js": "^5.0.9-beta",
     "ical.js": "^1.4.0",
     "immutable": "^4.0.0-rc.12",
diff --git a/src/Collections/Collection.tsx b/src/Collections/Collection.tsx
index 2b9cdb3..1782e25 100644
--- a/src/Collections/Collection.tsx
+++ b/src/Collections/Collection.tsx
@@ -48,7 +48,7 @@ class Collection extends React.Component<PropsType> {
 
     return (
       <React.Fragment>
-        <AppBarOverride title={metadata.name}>
+        <AppBarOverride title={metadata.name!!}>
           {isAdmin &&
             <>
               <IconButton
diff --git a/src/Collections/CollectionChangeEntries.tsx b/src/Collections/CollectionChangeEntries.tsx
index ec58a82..5db149b 100644
--- a/src/Collections/CollectionChangeEntries.tsx
+++ b/src/Collections/CollectionChangeEntries.tsx
@@ -47,9 +47,8 @@ export default function CollectionChangeEntries(props: PropsType) {
   const history = useHistory();
   const etebase = useCredentials()!;
 
-  const { collection, metadata } = props.collection;
-  const colType = metadata.type;
-  const items = useItems(etebase, colType);
+  const { collection, collectionType } = props.collection;
+  const items = useItems(etebase, collectionType);
 
   React.useEffect(() => {
     if (items) {
@@ -71,7 +70,7 @@ export default function CollectionChangeEntries(props: PropsType) {
   });
 
   let changelogRoute = "";
-  switch (colType) {
+  switch (collectionType) {
     case "etebase.vevent": {
       changelogRoute = "pim.events._id.log";
       break;
diff --git a/src/Collections/CollectionEdit.tsx b/src/Collections/CollectionEdit.tsx
index 27ffb86..282da22 100644
--- a/src/Collections/CollectionEdit.tsx
+++ b/src/Collections/CollectionEdit.tsx
@@ -40,19 +40,21 @@ interface FormErrors {
 export default function CollectionEdit(props: PropsType) {
   const [errors, setErrors] = React.useState<FormErrors>({});
   const [showDeleteDialog, setShowDeleteDialog] = React.useState(false);
-  const [info, setInfo] = React.useState<Etebase.CollectionMetadata>();
+  const [colType, setColType] = React.useState("");
+  const [info, setInfo] = React.useState<Etebase.ItemMetadata>();
   const [selectedColor, setSelectedColor] = React.useState("");
   const etebase = useCredentials()!;
 
   React.useEffect(() => {
     if (props.collection !== undefined) {
+      setColType(props.collection.collectionType);
       setInfo(props.collection.metadata);
       if (props.collection.metadata.color) {
         setSelectedColor(props.collection.metadata.color);
       }
     } else {
+      setColType("etebase.vcard");
       setInfo({
-        type: "etebase.vcard",
         name: "",
         description: "",
       });
@@ -98,7 +100,7 @@ export default function CollectionEdit(props: PropsType) {
       collection = props.collection.collection;
       await collection.setMeta(meta);
     } else {
-      collection = await colMgr.create(meta, "");
+      collection = await colMgr.create(colType, meta, "");
     }
 
     onSave(collection);
@@ -111,7 +113,7 @@ export default function CollectionEdit(props: PropsType) {
   const { collection, onDelete, onCancel } = props;
   const item = collection?.metadata;
 
-  const pageTitle = (item !== undefined) ? item.name : "New Collection";
+  const pageTitle = (item !== undefined) ? item.name! : "New Collection";
 
   const styles = {
     fullWidth: {
@@ -130,7 +132,7 @@ export default function CollectionEdit(props: PropsType) {
     "etebase.vtodo": "Task List",
   };
   let collectionColorBox: React.ReactNode;
-  switch (info.type) {
+  switch (colType) {
     case "etebase.vevent":
     case "etebase.vtodo":
       collectionColorBox = (
@@ -156,8 +158,8 @@ export default function CollectionEdit(props: PropsType) {
             <Select
               name="type"
               required
-              value={info.type}
-              onChange={(event: React.ChangeEvent<{ value: string }>) => setInfo({ ...info, type: event.target.value })}
+              value={colType}
+              onChange={(event: React.ChangeEvent<{ value: string }>) => setColType(event.target.value)}
             >
               {Object.keys(colTypes).map((x) => (
                 <MenuItem key={x} value={x}>{colTypes[x]}</MenuItem>
diff --git a/src/Collections/CollectionImport.tsx b/src/Collections/CollectionImport.tsx
index 7febee5..683db69 100644
--- a/src/Collections/CollectionImport.tsx
+++ b/src/Collections/CollectionImport.tsx
@@ -35,13 +35,14 @@ export default function CollectionImport(props: PropsType) {
   }
 
   for (const col of props.collections) {
-    if (collectionMap[col.metadata.type]) {
-      const supportsColor = (["etebase.vevent", "etebase.vtodo"].includes(col.metadata.type));
+    const colType = col.collectionType;
+    if (collectionMap[colType]) {
+      const supportsColor = (["etebase.vevent", "etebase.vtodo"].includes(colType));
       const colorBox = (supportsColor) ? (
         <ColorBox size={24} color={col.metadata.color || defaultColor} />
       ) : undefined;
 
-      collectionMap[col.metadata.type].push((
+      collectionMap[colType].push((
         <ListItem key={col.collection.uid} rightIcon={colorBox} insetChildren
           onClick={() => colClicked(col.collection.uid)}>
           {col.metadata.name}
diff --git a/src/Collections/CollectionList.tsx b/src/Collections/CollectionList.tsx
index 775fa60..28c5427 100644
--- a/src/Collections/CollectionList.tsx
+++ b/src/Collections/CollectionList.tsx
@@ -38,13 +38,14 @@ export default function CollectionList(props: PropsType) {
   }
 
   for (const col of props.collections) {
-    if (collectionMap[col.metadata.type]) {
-      const supportsColor = (["etebase.vevent", "etebase.vtodo"].includes(col.metadata.type));
+    const colType = col.collectionType;
+    if (collectionMap[colType]) {
+      const supportsColor = (["etebase.vevent", "etebase.vtodo"].includes(colType));
       const colorBox = (supportsColor) ? (
         <ColorBox size={24} color={col.metadata.color || defaultColor} />
       ) : undefined;
 
-      collectionMap[col.metadata.type].push((
+      collectionMap[colType].push((
         <ListItem key={col.collection.uid} rightIcon={colorBox} insetChildren
           onClick={() => colClicked(col.collection.uid)}>
           {col.metadata.name}
diff --git a/src/Collections/ImportDialog.tsx b/src/Collections/ImportDialog.tsx
index b60ac85..1c2f7fd 100644
--- a/src/Collections/ImportDialog.tsx
+++ b/src/Collections/ImportDialog.tsx
@@ -158,17 +158,17 @@ export default function ImportDialog(props: PropsType) {
     }
   }
 
-  const { metadata } = props.collection;
+  const { collectionType } = props.collection;
   let acceptTypes;
   let dropFunction;
 
-  if (metadata.type === "etebase.vcard") {
+  if (collectionType === "etebase.vcard") {
     acceptTypes = ["text/vcard", "text/directory", "text/x-vcard", ".vcf"];
     dropFunction = onFileDropContact;
-  } else if (metadata.type === "etebase.vevent") {
+  } else if (collectionType === "etebase.vevent") {
     acceptTypes = ["text/calendar", ".ics", ".ical"];
     dropFunction = onFileDropEvent;
-  } else if (metadata.type === "etebase.vtodo") {
+  } else if (collectionType === "etebase.vtodo") {
     acceptTypes = ["text/calendar", ".ics", ".ical"];
     dropFunction = onFileDropTask;
   }
diff --git a/src/Pim/ItemChangeHistory.tsx b/src/Pim/ItemChangeHistory.tsx
index 6354727..2e3f92d 100644
--- a/src/Pim/ItemChangeHistory.tsx
+++ b/src/Pim/ItemChangeHistory.tsx
@@ -56,8 +56,8 @@ export default function ItemChangeHistory(props: PropsType) {
   const [entries, setEntries] = React.useState<CachedItem[]>();
   const [dialog, setDialog] = React.useState<CachedItem>();
   const etebase = useCredentials()!;
-  const { collection, metadata } = props.collection;
-  const items = useItems(etebase, metadata.type);
+  const { collection, collectionType } = props.collection;
+  const items = useItems(etebase, collectionType);
 
   const item = items?.get(collection.uid)?.get(props.itemUid);
 
diff --git a/src/Pim/helpers.tsx b/src/Pim/helpers.tsx
index 1ec99a0..c8667b6 100644
--- a/src/Pim/helpers.tsx
+++ b/src/Pim/helpers.tsx
@@ -18,7 +18,8 @@ export const defaultColor = "#8BC34A";
 
 export interface CachedCollection {
   collection: Etebase.Collection;
-  metadata: Etebase.CollectionMetadata;
+  metadata: Etebase.ItemMetadata;
+  collectionType: string;
 }
 
 export function getRawItemNavigationUid(collectionUid: string, itemUid: string) {
@@ -40,6 +41,7 @@ export function getDecryptCollectionsFunction(_colType?: string) {
             entries.push({
               collection,
               metadata: await collection.getMeta(),
+              collectionType: await collection.getCollectionType(),
             });
           } catch (e) {
             store.dispatch(appendError(e));
diff --git a/src/WizardPage.tsx b/src/WizardPage.tsx
index 5087c88..5c3521d 100644
--- a/src/WizardPage.tsx
+++ b/src/WizardPage.tsx
@@ -59,12 +59,11 @@ function SetupCollectionsPage(props: PagePropsType) {
         ["etebase.vtodo", "My Tasks"],
       ];
       for (const [type, name] of types) {
-        const meta: Etebase.CollectionMetadata = {
-          type,
+        const meta: Etebase.ItemMetadata = {
           name,
           mtime: (new Date()).getTime(),
         };
-        const collection = await colMgr.create(meta, "");
+        const collection = await colMgr.create(type, meta, "");
         await colMgr.upload(collection);
       }
 
diff --git a/src/etebase-helpers.ts b/src/etebase-helpers.ts
index 0e1d94e..8079f73 100644
--- a/src/etebase-helpers.ts
+++ b/src/etebase-helpers.ts
@@ -20,8 +20,8 @@ export const getCollectionsByType = memoize(async function (cachedCollections: C
   const collections = await getCollections(cachedCollections, etebase);
   const ret: Etebase.Collection[] = [];
   for (const col of collections) {
-    const meta = await col.getMeta();
-    if (meta.type === colType) {
+    const collectionType = await col.getCollectionType();
+    if (collectionType === colType) {
       ret.push(col);
     }
   }
diff --git a/src/sync/SyncManager.ts b/src/sync/SyncManager.ts
index 09c094a..ec86e02 100644
--- a/src/sync/SyncManager.ts
+++ b/src/sync/SyncManager.ts
@@ -64,10 +64,10 @@ export class SyncManager {
     let stoken = syncGeneral?.stoken;
     let done = false;
     while (!done) {
-      const collections = await colMgr.list({ stoken, limit });
+      const collections = await colMgr.list(this.COLLECTION_TYPES, { stoken, limit });
       for (const col of collections.data) {
-        const meta = await col.getMeta();
-        if (this.COLLECTION_TYPES.includes(meta.type)) {
+        const collectionType = await col.getCollectionType();
+        if (this.COLLECTION_TYPES.includes(collectionType)) {
           store.dispatch(setCacheCollection(colMgr, col));
           await this.fetchCollection(col);
         }
diff --git a/yarn.lock b/yarn.lock
index 6e752a1..4213650 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4644,10 +4644,10 @@ etag@~1.8.1:
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
   integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
 
-etebase@^0.14.0:
-  version "0.14.0"
-  resolved "https://registry.yarnpkg.com/etebase/-/etebase-0.14.0.tgz#87a7e0c678a6c842aa2c71af46aa0d4a11129441"
-  integrity sha512-PYTgQ1w/qHjazlXoC2XZ7pMccwvIa1Beqv+iY5atwJ4zbxcfqgDgy/ibsOYXftr9h7YHxSnIKuhF5eHLlsh19A==
+etebase@^0.20.0:
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/etebase/-/etebase-0.20.0.tgz#53537d76d71d356d2538c85292ee40ed32fde625"
+  integrity sha512-jmrrflrSG0kLe1ud3FjDishQ93Jx8s72r9xgkDxlVioxRJamJ0mE/+9KjfDRAFjWAzui8LIblOcIDw+NYPfbsA==
   dependencies:
     "@msgpack/msgpack" "^1.12.2"
     libsodium-wrappers "0.7.6"