diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index 5e3b99bda43b..e39af4e6716f 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -115,7 +115,7 @@
       license = lib.licenses.mpl20;
       mainProgram = "firefox";
     };
-    tests = [ nixosTests.firefox ];
+    tests = [ nixosTests.firefox-esr-128 ];
     updateScript = callPackage ./update.nix {
       attrPath = "firefox-esr-128-unwrapped";
       versionPrefix = "128";