diff --git a/js/app.js b/js/app.js
index 69a01fcf80..4823166232 100644
--- a/js/app.js
+++ b/js/app.js
@@ -65,6 +65,9 @@
 		/** @property {OCA.Talk.Signaling.base} signaling  */
 		signaling: null,
 
+		/** property {String} selector */
+		mainCallElementSelector: '#app-content',
+
 		/** @property {OCA.SpreedMe.Models.RoomCollection} _rooms  */
 		_rooms: null,
 		/** @property {OCA.SpreedMe.Views.RoomListView} _roomsView  */
diff --git a/js/connection.js b/js/connection.js
index 765b99d07a..ad3fb1cf4f 100644
--- a/js/connection.js
+++ b/js/connection.js
@@ -103,7 +103,7 @@
 			if (!OCA.Talk.PublicShareAuth) {
 				OC.Util.History.pushState({}, OC.generateUrl('/apps/spreed'));
 			}
-			$('#app-content, #talk-sidebar').removeClass('incall');
+			$(this.app.mainCallElementSelector).removeClass('incall');
 
 			roomsChannel.trigger('leaveCurrentRoom');
 		},
@@ -132,7 +132,7 @@
 		leaveCurrentCall: function() {
 			this.app.signaling.leaveCurrentCall();
 			this.app.signaling.syncRooms();
-			$('#app-content, #talk-sidebar').removeClass('incall');
+			$(this.app.mainCallElementSelector).removeClass('incall');
 		},
 	};
 
diff --git a/js/publicshareauth.js b/js/publicshareauth.js
index a15852fdd9..0e460261c4 100644
--- a/js/publicshareauth.js
+++ b/js/publicshareauth.js
@@ -76,6 +76,8 @@
 				'<div class="nameIndicator">' +
 				'</div>');
 
+			OCA.SpreedMe.app.mainCallElementSelector = '#talk-sidebar';
+
 			OCA.SpreedMe.app._emptyContentView.destroy();
 			OCA.SpreedMe.app._emptyContentView = new OCA.SpreedMe.Views.EmptyContentView({
 				el: '#talk-sidebar > #emptycontent'
diff --git a/js/webrtc.js b/js/webrtc.js
index 4534fe42bf..af9f061628 100644
--- a/js/webrtc.js
+++ b/js/webrtc.js
@@ -24,7 +24,7 @@ var spreedPeerConnectionTable = [];
 			currentUsersNo = 1;
 		}
 
-		var $appContentElement = $('#app-content, #talk-sidebar'),
+		var $appContentElement = $(OCA.SpreedMe.app.mainCallElementSelector),
 			participantsClass = 'participants-' + currentUsersNo,
 			hadScreensharing = $appContentElement.hasClass('screensharing'),
 			hadSidebar = $appContentElement.hasClass('with-app-sidebar');
@@ -1157,7 +1157,7 @@ var spreedPeerConnectionTable = [];
 			// Check if there are still some screens
 			if (!document.getElementById('screens').hasChildNodes()) {
 				screenSharingActive = false;
-				$('#app-content, #talk-sidebar').removeClass('screensharing');
+				$(OCA.SpreedMe.app.mainCallElementSelector).removeClass('screensharing');
 				if (unpromotedSpeakerId) {
 					OCA.SpreedMe.speakers.switchVideoToId(unpromotedSpeakerId);
 					unpromotedSpeakerId = null;
@@ -1183,7 +1183,7 @@ var spreedPeerConnectionTable = [];
 			OCA.SpreedMe.speakers.unpromoteLatestSpeaker();
 
 			screenSharingActive = true;
-			$('#app-content, #talk-sidebar').addClass('screensharing');
+			$(OCA.SpreedMe.app.mainCallElementSelector).addClass('screensharing');
 
 			var screens = document.getElementById('screens');
 			if (screens) {