diff --git a/packages/ui/src/7-components/_side-nav.scss b/packages/ui/src/7-components/_side-nav.scss
index 77f6d55c01..ea833dc313 100644
--- a/packages/ui/src/7-components/_side-nav.scss
+++ b/packages/ui/src/7-components/_side-nav.scss
@@ -29,7 +29,7 @@
   &-top     { }
   &-main    {
     flex:1; overflow-y:auto;
-    @include scroll(); scrollbar-gutter:initial;
+    @include scroll(); scrollbar-gutter:stable;
     overflow: overlay; // fallback macOS
     overflow-x: hidden;