diff --git a/kcmkwin/kwindesktop/package/contents/ui/main.qml b/kcmkwin/kwindesktop/package/contents/ui/main.qml
index 692715ecca..40aaa8a935 100644
--- a/kcmkwin/kwindesktop/package/contents/ui/main.qml
+++ b/kcmkwin/kwindesktop/package/contents/ui/main.qml
@@ -41,6 +41,8 @@ ScrollViewKCM {
             rowsSpinBox.value = kcm.desktopsModel.rows;
         }
     }
+    implicitWidth: Kirigami.Units.gridUnit * 35
+    implicitHeight: Kirigami.Units.gridUnit * 30
 
     Component {
         id: desktopsListItemComponent