diff --git a/src/main/kotlin/org/springdoc/openapi/gradle/plugin/OpenApiGeneratorTask.kt b/src/main/kotlin/org/springdoc/openapi/gradle/plugin/OpenApiGeneratorTask.kt
index 4c29b59..5e15b24 100644
--- a/src/main/kotlin/org/springdoc/openapi/gradle/plugin/OpenApiGeneratorTask.kt
+++ b/src/main/kotlin/org/springdoc/openapi/gradle/plugin/OpenApiGeneratorTask.kt
@@ -87,7 +87,7 @@ open class OpenApiGeneratorTask : DefaultTask() {
 
     private fun prettifyJson(response: Response): String {
         val gson = GsonBuilder().setPrettyPrinting().create()
-        val googleJsonObject = gson.fromJson(response.jsonObject.toString(), JsonObject::class.java)
+        val googleJsonObject = gson.fromJson(response.text, JsonObject::class.java)
         return gson.toJson(googleJsonObject)
     }
 }