diff --git a/pkgs/servers/nosql/cassandra/generic.nix b/pkgs/servers/nosql/cassandra/generic.nix
index ba4d32e2750f..816b97f4c2c8 100644
--- a/pkgs/servers/nosql/cassandra/generic.nix
+++ b/pkgs/servers/nosql/cassandra/generic.nix
@@ -117,7 +117,7 @@ stdenv.mkDerivation rec {
   passthru = {
     tests =
       let
-        test = nixosTests."cassandra_${generation}";
+        test = nixosTests.cassandra;
       in
       {
         nixos =