diff --git a/public/app/core/components/AppChrome/NavToolbar/NavToolbarSeparator.tsx b/public/app/core/components/AppChrome/NavToolbar/NavToolbarSeparator.tsx
index 928971a535a..d2bb32e22cd 100644
--- a/public/app/core/components/AppChrome/NavToolbar/NavToolbarSeparator.tsx
+++ b/public/app/core/components/AppChrome/NavToolbar/NavToolbarSeparator.tsx
@@ -28,6 +28,8 @@ const getStyles = (theme: GrafanaTheme2) => {
       width: 1,
       backgroundColor: theme.colors.border.medium,
       height: 24,
+      flexShrink: 0,
+      flexGrow: 0,
     }),
   };
 };