diff --git a/js/src/dropdown.js b/js/src/dropdown.js
index acc3ed453a..4ed0210a54 100644
--- a/js/src/dropdown.js
+++ b/js/src/dropdown.js
@@ -250,12 +250,10 @@ const Dropdown = (($) => {
         if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
           placement = AttachmentMap.TOPEND
         }
+      } else if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+        placement = AttachmentMap.BOTTOMEND
       }
-      else {
-        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
-          placement = AttachmentMap.BOTTOMEND
-        }
-      }
+
       return placement
     }