diff --git a/src/Calendars/Main.tsx b/src/Calendars/Main.tsx
index 320da45..19b9b55 100644
--- a/src/Calendars/Main.tsx
+++ b/src/Calendars/Main.tsx
@@ -168,11 +168,8 @@ export default function CalendarsMain() {
             return (<PageNotFound />);
           }
 
-          /* FIXME:
           const collection = collections!.find((x) => x.uid === colUid)!;
-          const readOnly = collection.accessLevel;
-           */
-          const readOnly = false;
+          const readOnly = collection.accessLevel === Etebase.CollectionAccessLevel.ReadOnly;
 
           return (
             <Switch>
diff --git a/src/Collections/Collection.tsx b/src/Collections/Collection.tsx
index d1d6513..2b9cdb3 100644
--- a/src/Collections/Collection.tsx
+++ b/src/Collections/Collection.tsx
@@ -7,6 +7,8 @@ import IconEdit from "@material-ui/icons/Edit";
 import IconMembers from "@material-ui/icons/People";
 import IconImport from "@material-ui/icons/ImportExport";
 
+import * as Etebase from "etebase";
+
 
 import AppBarOverride from "../widgets/AppBarOverride";
 import Container from "../widgets/Container";
@@ -42,7 +44,7 @@ class Collection extends React.Component<PropsType> {
 
   public render() {
     const { collection, metadata } = this.props.collection;
-    const isAdmin = true; // FIXME
+    const isAdmin = collection.accessLevel === Etebase.CollectionAccessLevel.Admin;
 
     return (
       <React.Fragment>
diff --git a/src/Contacts/Main.tsx b/src/Contacts/Main.tsx
index 9addfa9..cd98871 100644
--- a/src/Contacts/Main.tsx
+++ b/src/Contacts/Main.tsx
@@ -160,11 +160,8 @@ export default function ContactsMain() {
             return (<PageNotFound />);
           }
 
-          /* FIXME:
           const collection = collections!.find((x) => x.uid === colUid)!;
-          const readOnly = collection.accessLevel;
-           */
-          const readOnly = false;
+          const readOnly = collection.accessLevel === Etebase.CollectionAccessLevel.ReadOnly;
 
           return (
             <Switch>
diff --git a/src/Tasks/Main.tsx b/src/Tasks/Main.tsx
index 5eee8c2..6f94292 100644
--- a/src/Tasks/Main.tsx
+++ b/src/Tasks/Main.tsx
@@ -162,11 +162,8 @@ export default function TasksMain() {
             return (<PageNotFound />);
           }
 
-          /* FIXME:
           const collection = collections!.find((x) => x.uid === colUid)!;
-          const readOnly = collection.accessLevel;
-           */
-          const readOnly = false;
+          const readOnly = collection.accessLevel === Etebase.CollectionAccessLevel.ReadOnly;
 
           return (
             <Switch>