diff --git a/springdoc-openapi-starter-common/src/main/java/org/springdoc/core/service/GenericResponseService.java b/springdoc-openapi-starter-common/src/main/java/org/springdoc/core/service/GenericResponseService.java
index f26f4a90b..8d3e8e715 100644
--- a/springdoc-openapi-starter-common/src/main/java/org/springdoc/core/service/GenericResponseService.java
+++ b/springdoc-openapi-starter-common/src/main/java/org/springdoc/core/service/GenericResponseService.java
@@ -705,7 +705,7 @@ private Map<String, ApiResponse> getGenericMapResponse(HandlerMethod handlerMeth
 
 			List<ControllerAdviceInfo> controllerAdviceInfosNotInThisBean = controllerAdviceInfos.stream()
 					.filter(controllerAdviceInfo -> 
-							getControllerAdviceBean(controllerAdviceBeans, controllerAdviceInfo.getControllerAdvice())
+							getControllerAdviceBean(controllerAdviceBeans, controllerAdviceInfo.getControllerAdvice().toString())
 							.isApplicableToBeanType(beanType))
 					.filter(controllerAdviceInfo -> !beanType.equals(controllerAdviceInfo.getControllerAdvice().getClass()))
 					.toList();