diff --git a/modules/graphical/firefox/default.nix b/modules/graphical/firefox/default.nix
index 3aa98b71..a16e3b07 100644
--- a/modules/graphical/firefox/default.nix
+++ b/modules/graphical/firefox/default.nix
@@ -23,7 +23,7 @@ let
     '';
   };
   ffPackage = pkgs.firefox.override {
-    extraNativeMessagingHosts = [ ff2mpv-host ];
+    nativeMessagingHosts = [ ff2mpv-host ];
     pkcs11Modules = [ pkgs.eid-mw ];
     extraPolicies = {
       DisableFirefoxStudies = true;