diff --git a/app/assets/stylesheets/common/base/header.scss b/app/assets/stylesheets/common/base/header.scss
index 00bac394fc7..b26186df6e6 100644
--- a/app/assets/stylesheets/common/base/header.scss
+++ b/app/assets/stylesheets/common/base/header.scss
@@ -37,7 +37,7 @@
     align-items: center;
   }
 
-  .hamburger-panel {
+  .hamburger-panel, .user-menu {
     width: 0; // Flexbox fix for Safari ≤ iOS11
   }