diff --git a/packages/docusaurus-theme-classic/src/theme/Navbar/index.tsx b/packages/docusaurus-theme-classic/src/theme/Navbar/index.tsx
index 15bce69621..ca637c5235 100644
--- a/packages/docusaurus-theme-classic/src/theme/Navbar/index.tsx
+++ b/packages/docusaurus-theme-classic/src/theme/Navbar/index.tsx
@@ -66,7 +66,7 @@ function useMobileSidebar() {
       setShown(false);
       // Should we prevent the navigation here?
       // See https://github.com/facebook/docusaurus/pull/5462#issuecomment-911699846
-      // return false; // prevent pop navigation
+      return false; // prevent pop navigation
     }
     return undefined;
   });