diff --git a/applets/kicker/package/contents/ui/CompactRepresentation.qml b/applets/kicker/package/contents/ui/CompactRepresentation.qml
--- a/applets/kicker/package/contents/ui/CompactRepresentation.qml
+++ b/applets/kicker/package/contents/ui/CompactRepresentation.qml
@@ -46,19 +46,19 @@
                 root.Layout.minimumHeight = scaledHeight;
                 root.Layout.maximumHeight = scaledHeight;
                 root.Layout.minimumWidth = units.iconSizes.small;
-                root.Layout.maximumWidth = undefined;
+                root.Layout.maximumWidth = units.iconSizeHints.panel;
             } else {
                 var scaledWidth = Math.floor(parent.height * (buttonIcon.implicitWidth / buttonIcon.implicitHeight));
                 root.Layout.minimumWidth = scaledWidth;
                 root.Layout.maximumWidth = scaledWidth;
                 root.Layout.minimumHeight = units.iconSizes.small;
-                root.Layout.maximumHeight = undefined;
+                root.Layout.maximumHeight = units.iconSizeHints.panel;
             }
         } else {
             root.Layout.minimumWidth = units.iconSizes.small;
-            root.Layout.maximumWidth = undefined;
+            root.Layout.maximumWidth = units.iconSizeHints.panel;
             root.Layout.minimumHeight = units.iconSizes.small
-            root.Layout.maximumHeight = undefined;
+            root.Layout.maximumHeight = units.iconSizeHints.panel;
         }
     }