diff --git a/ArmnnPreparedModel.hpp b/ArmnnPreparedModel.hpp
index 33be972..270a933 100644
--- a/ArmnnPreparedModel.hpp
+++ b/ArmnnPreparedModel.hpp
@@ -38,8 +38,8 @@
 
     virtual ~ArmnnPreparedModel();
 
-    virtual Return<ErrorStatus> execute(const Request& request,
-                                        const ::android::sp<V1_0::IExecutionCallback>& callback) override;
+    virtual Return<V1_0::ErrorStatus> execute(const V1_0::Request& request,
+                                              const ::android::sp<V1_0::IExecutionCallback>& callback) override;
 
     /// execute the graph prepared from the request
     void ExecuteGraph(std::shared_ptr<std::vector<::android::nn::RunTimePoolInfo>>& pMemPools,