diff --git a/lib/jsonschema/example-schema.json b/lib/jsonschema/example-schema.json
index a470b3e4..dbdb7536 100644
--- a/lib/jsonschema/example-schema.json
+++ b/lib/jsonschema/example-schema.json
@@ -1,4 +1,5 @@
 {
+  "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
   "additionalProperties": false,
   "properties": {
diff --git a/lib/jsonschema/test_parseOptions.nix b/lib/jsonschema/test_parseOptions.nix
index d32dde37..9467160f 100644
--- a/lib/jsonschema/test_parseOptions.nix
+++ b/lib/jsonschema/test_parseOptions.nix
@@ -4,16 +4,9 @@
   lib ? (import <nixpkgs> { }).lib,
   slib ? import ./. { inherit lib; },
 }:
-let
-  evaledOptions =
-    let
-      evaledConfig = lib.evalModules { modules = [ ./example-interface.nix ]; };
-    in
-    evaledConfig.options;
-in
 {
   testParseOptions = {
-    expr = slib.parseOptions evaledOptions;
+    expr = slib.parseModule ./example-interface.nix;
     expected = builtins.fromJSON (builtins.readFile ./example-schema.json);
   };