diff --git a/components/dropdown/style/index.less b/components/dropdown/style/index.less
index 375a4b4a08..5003c7e9ad 100644
--- a/components/dropdown/style/index.less
+++ b/components/dropdown/style/index.less
@@ -196,6 +196,7 @@
 
           .@{dropdown-prefix-cls}-rtl & {
             margin-left: 0 !important;
+            transform: scaleX(-1);
           }
         }
       }