diff --git a/applications/librewolf/default.nix b/applications/librewolf/default.nix
index e1eaf52..5535963 100644
--- a/applications/librewolf/default.nix
+++ b/applications/librewolf/default.nix
@@ -9,6 +9,7 @@
         "browser.tabs.insertAfterCurrent" = true;
         "browser.toolbars.bookmarks.visibility" = "never";
         "privacy.resistFingerprinting.letterboxing" = true;
+        "sidebar.position_start" = false;
       };
     };
   }];