diff --git a/kaizen-openapi-parser/src/main/java/com/reprezen/kaizen/oasparser/OpenApiParser.java b/kaizen-openapi-parser/src/main/java/com/reprezen/kaizen/oasparser/OpenApiParser.java
index ace4cbcf..f8b34cf2 100755
--- a/kaizen-openapi-parser/src/main/java/com/reprezen/kaizen/oasparser/OpenApiParser.java
+++ b/kaizen-openapi-parser/src/main/java/com/reprezen/kaizen/oasparser/OpenApiParser.java
@@ -39,6 +39,7 @@ public OpenApiParser() {
 	}
 
 	public OpenApiParser(ValidationConfigurator validationConfigurator) {
+	    System.setProperty("guice_custom_class_loading", "OFF");
 		this.injector = Guice.createInjector(validationConfigurator);
 	}