diff --git a/lib/tests/modules/types-attrTag.nix b/lib/tests/modules/types-attrTag.nix
index 43d71b3ae6ad..7825cfe203fb 100644
--- a/lib/tests/modules/types-attrTag.nix
+++ b/lib/tests/modules/types-attrTag.nix
@@ -98,12 +98,12 @@ in
     merged.extensi-foo.extensible = "foo";
     merged.extensi-bar.extensible = "bar";
     okChecks =
-      assert config.intStrings.hello.right == "hello world";
-      assert config.intStrings.numberOne.left == 1;
-      assert config.merged.negative.nay == false;
-      assert config.merged.positive.yay == 100;
-      assert config.merged.extensi-foo.extensible == "foo";
-      assert config.merged.extensi-bar.extensible == "bar";
+      assert config.intStrings.hello == { right = "hello world"; };
+      assert config.intStrings.numberOne == { left = 1; };
+      assert config.merged.negative == { nay = false; };
+      assert config.merged.positive == { yay = 100; };
+      assert config.merged.extensi-foo == { extensible = "foo"; };
+      assert config.merged.extensi-bar == { extensible = "bar"; };
       # assert lib.foldl' (a: b: builtins.trace b a) true (lib.attrNames config.docs);
       assert config.docs."submodules.<name>.foo.bar".type == "signed integer";
       assert config.docs."submodules.<name>.qux".type == "string";