diff --git a/nix/homeModules/common/zen-browser.nix b/nix/homeModules/common/zen-browser.nix
index a9cecff2..4a691331 100644
--- a/nix/homeModules/common/zen-browser.nix
+++ b/nix/homeModules/common/zen-browser.nix
@@ -32,6 +32,10 @@ in
           "zen.view.show-newtab-button-top" = false;
           "zen.view.use-single-toolbar" = false;
           "zen.tabs.ctrl-tab.ignore-pending-tabs" = true; # ctrl-tab ignore unloaded tabs
+
+          # https://github.com/zen-browser/desktop/discussions/12025
+          # This makes tabs sync across windows, which as annoying af
+          "zen.window-sync.enabled" = false;
         };
       }
     ];