diff --git a/js/src/dropdown.js b/js/src/dropdown.js
index ac79ce04df..42f4f6de4d 100644
--- a/js/src/dropdown.js
+++ b/js/src/dropdown.js
@@ -278,10 +278,9 @@ class Dropdown {
 
     // Handle dropup
     if (parentDropdown.classList.contains(CLASS_NAME_DROPUP)) {
-      placement = PLACEMENT_TOP
-      if (this._menu.classList.contains(CLASS_NAME_MENURIGHT)) {
-        placement = PLACEMENT_TOPEND
-      }
+      placement = this._menu.classList.contains(CLASS_NAME_MENURIGHT) ?
+        PLACEMENT_TOPEND :
+        PLACEMENT_TOP
     } else if (parentDropdown.classList.contains(CLASS_NAME_DROPRIGHT)) {
       placement = PLACEMENT_RIGHT
     } else if (parentDropdown.classList.contains(CLASS_NAME_DROPLEFT)) {