diff --git a/src/CallHandler.js b/src/CallHandler.js
index e6552c13fd..b8635ed899 100644
--- a/src/CallHandler.js
+++ b/src/CallHandler.js
@@ -70,6 +70,7 @@ import {SettingLevel} from "./settings/SettingLevel";
 import {base32} from "rfc4648";
 
 import QuestionDialog from "./components/views/dialogs/QuestionDialog";
+import ErrorDialog from "./components/views/dialogs/ErrorDialog";
 
 global.mxCalls = {
     //room_id: MatrixCall
@@ -133,7 +134,6 @@ function _setCallListeners(call) {
             return;
         }
 
-        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
         Modal.createTrackedDialog('Call Failed', '', ErrorDialog, {
             title: _t('Call Failed'),
             description: err.message,
@@ -162,7 +162,6 @@ function _setCallListeners(call) {
             _setCallState(call, call.roomId, "busy");
             pause("ringbackAudio");
             play("busyAudio");
-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
             Modal.createTrackedDialog('Call Handler', 'Call Timeout', ErrorDialog, {
                 title: _t('Call Timeout'),
                 description: _t('The remote side failed to pick up') + '.',
@@ -246,7 +245,6 @@ function _onAction(payload) {
             if (screenCapErrorString) {
                 _setCallState(undefined, newCall.roomId, "ended");
                 console.log("Can't capture screen: " + screenCapErrorString);
-                const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                 Modal.createTrackedDialog('Call Handler', 'Unable to capture screen', ErrorDialog, {
                     title: _t('Unable to capture screen'),
                     description: screenCapErrorString,
@@ -266,7 +264,6 @@ function _onAction(payload) {
         case 'place_call':
             {
                 if (callHandler.getAnyActiveCall()) {
-                    const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                     Modal.createTrackedDialog('Call Handler', 'Existing Call', ErrorDialog, {
                         title: _t('Existing Call'),
                         description: _t('You are already in a call.'),
@@ -276,7 +273,6 @@ function _onAction(payload) {
 
                 // if the runtime env doesn't do VoIP, whine.
                 if (!MatrixClientPeg.get().supportsVoip()) {
-                    const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                     Modal.createTrackedDialog('Call Handler', 'VoIP is unsupported', ErrorDialog, {
                         title: _t('VoIP is unsupported'),
                         description: _t('You cannot place VoIP calls in this browser.'),
@@ -292,7 +288,6 @@ function _onAction(payload) {
 
                 const members = room.getJoinedMembers();
                 if (members.length <= 1) {
-                    const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                     Modal.createTrackedDialog('Call Handler', 'Cannot place call with self', ErrorDialog, {
                         description: _t('You cannot place a call with yourself.'),
                     });
@@ -367,8 +362,6 @@ async function _startCallApp(roomId, type) {
     const currentJitsiWidgets = WidgetUtils.getRoomWidgetsOfType(room, WidgetType.JITSI);
 
     if (WidgetEchoStore.roomHasPendingWidgetsOfType(roomId, currentJitsiWidgets, WidgetType.JITSI)) {
-        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
-
         Modal.createTrackedDialog('Call already in progress', '', ErrorDialog, {
             title: _t('Call in Progress'),
             description: _t('A call is currently being placed!'),
@@ -382,17 +375,24 @@ async function _startCallApp(roomId, type) {
             " a conference call widget is already present",
         );
 
-        Modal.createTrackedDialog('Already have Jitsi Widget', '', QuestionDialog, {
-            title: _t('End Call'),
-            description: _t('Remove the group call from the room?'),
-            button: _t('End Call'),
-            cancelButton: _t('Cancel'),
-            onFinished: (endCall) => {
-                if (endCall) {
-                    WidgetUtils.setRoomWidget(roomId, currentJitsiWidgets[0].getContent()['id']);
-                }
-            },
-        });
+        if (WidgetUtils.canUserModifyWidgets(roomId)) {
+            Modal.createTrackedDialog('Already have Jitsi Widget', '', QuestionDialog, {
+                title: _t('End Call'),
+                description: _t('Remove the group call from the room?'),
+                button: _t('End Call'),
+                cancelButton: _t('Cancel'),
+                onFinished: (endCall) => {
+                    if (endCall) {
+                        WidgetUtils.setRoomWidget(roomId, currentJitsiWidgets[0].getContent()['id']);
+                    }
+                },
+            });
+        } else {
+            Modal.createTrackedDialog('Already have Jitsi Widget', '', ErrorDialog, {
+                title: _t('Call in Progress'),
+                description: _t("You don't have permission to remove the call from the room"),
+            });
+        }
         return;
     }
 
@@ -436,8 +436,6 @@ async function _startCallApp(roomId, type) {
         console.log('Jitsi widget added');
     }).catch((e) => {
         if (e.errcode === 'M_FORBIDDEN') {
-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
-
             Modal.createTrackedDialog('Call Failed', '', ErrorDialog, {
                 title: _t('Permission Required'),
                 description: _t("You do not have permission to start a conference call in this room"),
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 53f1850925..aa2ed03987 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -53,6 +53,7 @@
     "End Call": "End Call",
     "Remove the group call from the room?": "Remove the group call from the room?",
     "Cancel": "Cancel",
+    "You don't have permission to remove the call from the room": "You don't have permission to remove the call from the room",
     "Permission Required": "Permission Required",
     "You do not have permission to start a conference call in this room": "You do not have permission to start a conference call in this room",
     "Replying With Files": "Replying With Files",