diff --git a/pkgs/tools/security/firefox_decrypt/default.nix b/pkgs/tools/security/firefox_decrypt/default.nix
index d006e3140bf8..f0f2e1cf76d4 100644
--- a/pkgs/tools/security/firefox_decrypt/default.nix
+++ b/pkgs/tools/security/firefox_decrypt/default.nix
@@ -25,9 +25,7 @@ buildPythonApplication rec {
 
   makeWrapperArgs = [ "--prefix" "LD_LIBRARY_PATH" ":" (lib.makeLibraryPath [ nss ]) ];
 
-  passthru.updateScript = nix-update-script {
-    extraArgs = [ "--version=branch" ];
-  };
+  passthru.updateScript = nix-update-script { };
 
   meta = with lib; {
     homepage = "https://github.com/unode/firefox_decrypt";