diff --git a/src/components/Tasks/TaskEdit.tsx b/src/components/Tasks/TaskEdit.tsx
index 42d1a22..a54f2ac 100644
--- a/src/components/Tasks/TaskEdit.tsx
+++ b/src/components/Tasks/TaskEdit.tsx
@@ -35,7 +35,7 @@ import * as ICAL from 'ical.js';
 
 import * as EteSync from 'etesync';
 
-import { getCurrentTimezone } from '../../helpers';
+import { getCurrentTimezone, mapPriority } from '../../helpers';
 
 import { TaskType, TaskStatusType, timezoneLoadFromName, TaskPriorityType } from '../../pim-types';
 
@@ -308,7 +308,7 @@ class TaskEdit extends React.PureComponent<PropsType> {
 
             <RadioGroup
               row
-              value={this.state.priority}
+              value={mapPriority(this.state.priority)}
               onChange={(e) => this.handleChange('priority', Number(e.target.value))}
             >
               <ColoredRadio value={TaskPriorityType.Undefined} label="None" color={colors.grey[600]} />
diff --git a/src/components/Tasks/TaskListItem.tsx b/src/components/Tasks/TaskListItem.tsx
index 7e89c3b..40c4c42 100644
--- a/src/components/Tasks/TaskListItem.tsx
+++ b/src/components/Tasks/TaskListItem.tsx
@@ -19,6 +19,8 @@ const checkboxColor = {
 
 import moment from 'moment';
 
+import { mapPriority } from '../../helpers';
+
 interface PropsType {
   entry: TaskType;
   onClick: (task: TaskType) => void;
@@ -49,7 +51,7 @@ export default React.memo(function TaskListItem(props: PropsType) {
           onClick={(e) => e.stopPropagation()}
           onChange={toggleComplete}
           checked={task.finished}
-          icon={<CheckBoxOutlineBlankIcon style={{ color: checkboxColor[task.priority] }} />}
+          icon={<CheckBoxOutlineBlankIcon style={{ color: checkboxColor[mapPriority(task.priority)] }} />}
         />
       }
     />
diff --git a/src/helpers.tsx b/src/helpers.tsx
index 0aadeef..4615cb8 100644
--- a/src/helpers.tsx
+++ b/src/helpers.tsx
@@ -4,6 +4,7 @@
 import * as React from 'react';
 import * as ICAL from 'ical.js';
 import moment from 'moment';
+import { TaskPriorityType } from './pim-types';
 
 // Generic handling of input changes
 export function handleInputChange(self: React.Component, part?: string) {
@@ -107,3 +108,15 @@ export function formatOurTimezoneOffset() {
 export function getCurrentTimezone() {
   return Intl.DateTimeFormat().resolvedOptions().timeZone;
 }
+
+export function mapPriority(priority: number): TaskPriorityType {
+  if (priority > 0 && priority < 5) {
+    return TaskPriorityType.High;
+  } else if (priority === 5) {
+    return TaskPriorityType.Medium;
+  } else if (priority > 5 && priority < 10) {
+    return TaskPriorityType.Low;
+  } else {
+    return TaskPriorityType.Undefined;
+  }
+}
\ No newline at end of file