diff --git a/modules/nixos/apps/zen-browser/default.nix b/modules/nixos/apps/zen-browser/default.nix
index 358a2df..35f4905 100644
--- a/modules/nixos/apps/zen-browser/default.nix
+++ b/modules/nixos/apps/zen-browser/default.nix
@@ -23,7 +23,10 @@ in
       zenbrowser
     ];
 
-    environment.sessionVariables.DEFAULT_BROWSER = "${zenbrowser}/bin/zen-beta";
+    environment.sessionVariables = {
+      DEFAULT_BROWSER = "${zenbrowser}/bin/zen-beta";
+      BROWSER = "zen-beta";
+    };
 
     environment.etc = {
       "1password/custom_allowed_browsers" = {