diff --git a/pkgs/by-name/tt/tt-rss/package.nix b/pkgs/by-name/tt/tt-rss/package.nix
index 716d0f4d3aa1..619e5e97dbca 100644
--- a/pkgs/by-name/tt/tt-rss/package.nix
+++ b/pkgs/by-name/tt/tt-rss/package.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   '';
 
   passthru = {
-    inherit (nixosTests) tt-rss;
+    tests = { inherit (nixosTests) tt-rss; };
     updateScript = unstableGitUpdater { hardcodeZeroVersion = true; };
   };