diff --git a/panels/dock/tray/package/ActionToggleCollapseDelegate.qml b/panels/dock/tray/package/ActionToggleCollapseDelegate.qml
index bf1547aa5..6b34c002b 100644
--- a/panels/dock/tray/package/ActionToggleCollapseDelegate.qml
+++ b/panels/dock/tray/package/ActionToggleCollapseDelegate.qml
@@ -32,6 +32,12 @@ AppletItemButton {
         toolTip.close()
     }
 
+    Component.onCompleted: {
+        contentItem.smooth = Qt.binding(function() {
+            return contentItem.rotation % 180 !== 0;
+        });
+    }
+
     states: [
         State {
             name: "opened"