diff --git a/src/bundle/Resources/public/js/scripts/core/multilevel.popup.menu.js b/src/bundle/Resources/public/js/scripts/core/multilevel.popup.menu.js
index 9a09880092..18f00132f7 100644
--- a/src/bundle/Resources/public/js/scripts/core/multilevel.popup.menu.js
+++ b/src/bundle/Resources/public/js/scripts/core/multilevel.popup.menu.js
@@ -143,7 +143,7 @@
         }
 
         updateBranchAndParentBranchesOpenState(branchElement) {
-            const isTopBranch = !branchElement?.parentBranchElement ?? null;
+            const isTopBranch = !(branchElement?.parentBranchElement ?? null);
 
             if (isTopBranch) {
                 return;