diff --git a/springwolf-add-ons/springwolf-json-schema/src/main/java/io/github/stavshamir/springwolf/addons/json_schema/JsonSchemaGenerator.java b/springwolf-add-ons/springwolf-json-schema/src/main/java/io/github/stavshamir/springwolf/addons/json_schema/JsonSchemaGenerator.java
index e23c163aa..575323005 100644
--- a/springwolf-add-ons/springwolf-json-schema/src/main/java/io/github/stavshamir/springwolf/addons/json_schema/JsonSchemaGenerator.java
+++ b/springwolf-add-ons/springwolf-json-schema/src/main/java/io/github/stavshamir/springwolf/addons/json_schema/JsonSchemaGenerator.java
@@ -21,7 +21,8 @@ public class JsonSchemaGenerator {
     public Object fromSchema(Schema<?> schema, Map<String, Schema> definitions) throws JsonProcessingException {
         ObjectNode node = fromSchemaInternal(schema, definitions, new HashSet<>());
         node.put("$schema", "https://json-schema.org/draft-04/schema#");
-        return node;
+
+        return objectMapper.readValue(node.toString(), Object.class);
     }
 
     private ObjectNode fromSchemaInternal(Schema<?> schema, Map<String, Schema> definitions, Set<Schema> visited) {
diff --git a/springwolf-add-ons/springwolf-json-schema/src/test/java/io/github/stavshamir/springwolf/addons/json_schema/JsonSchemaGeneratorTest.java b/springwolf-add-ons/springwolf-json-schema/src/test/java/io/github/stavshamir/springwolf/addons/json_schema/JsonSchemaGeneratorTest.java
index 7b04decdf..64527cb56 100644
--- a/springwolf-add-ons/springwolf-json-schema/src/test/java/io/github/stavshamir/springwolf/addons/json_schema/JsonSchemaGeneratorTest.java
+++ b/springwolf-add-ons/springwolf-json-schema/src/test/java/io/github/stavshamir/springwolf/addons/json_schema/JsonSchemaGeneratorTest.java
@@ -55,25 +55,24 @@ public void validateJsonSchemaTest(String expectedJsonSchema, Supplier<Schema<?>
         pongSchema.setProperties(Map.of("pongField", pongFieldSchema));
 
         // when
-        String jsonSchema = jsonSchemaGenerator
-                .fromSchema(
-                        asyncApiSchema.get(),
-                        Map.of(
-                                "StringRef",
-                                new StringSchema(),
-                                "PingSchema",
-                                pingSchema,
-                                "PingFieldSchema",
-                                pingFieldSchema,
-                                "PongSchema",
-                                pongSchema,
-                                "PongFieldSchema",
-                                pongFieldSchema))
-                .toString();
+        Object jsonSchema = jsonSchemaGenerator.fromSchema(
+                asyncApiSchema.get(),
+                Map.of(
+                        "StringRef",
+                        new StringSchema(),
+                        "PingSchema",
+                        pingSchema,
+                        "PingFieldSchema",
+                        pingFieldSchema,
+                        "PongSchema",
+                        pongSchema,
+                        "PongFieldSchema",
+                        pongFieldSchema));
+        String jsonSchemaString = mapper.writeValueAsString(jsonSchema);
 
         // then
-        verifyValidJsonSchema(jsonSchema);
-        assertThat(jsonSchema).isEqualToIgnoringWhitespace(expectedJsonSchema);
+        verifyValidJsonSchema(jsonSchemaString);
+        assertThat(jsonSchemaString).isEqualToIgnoringWhitespace(expectedJsonSchema);
     }
 
     public static Stream<Arguments> validateJsonSchemaTest() {