diff --git a/internal_packages/composer/stylesheets/composer.less b/internal_packages/composer/stylesheets/composer.less
index 1304ada02..fad4ded9a 100644
--- a/internal_packages/composer/stylesheets/composer.less
+++ b/internal_packages/composer/stylesheets/composer.less
@@ -384,7 +384,7 @@ body.platform-win32 {
     width: 22.5px;
     height: 10px;
     background: transparent url('images/tooltip/tooltip-bg-pointer@2x.png') no-repeat;
-    background-size: 22.5px 10.5px;
+    background-size: 22.5px 9.5px;
     margin-left: -11.2px;
   }