diff --git a/modules/dnn/src/op_inf_engine.cpp b/modules/dnn/src/op_inf_engine.cpp
index ab9bdc38fe..d464b8886d 100644
--- a/modules/dnn/src/op_inf_engine.cpp
+++ b/modules/dnn/src/op_inf_engine.cpp
@@ -482,7 +482,7 @@ bool InfEngineBackendNet::isInitialized()
     return (bool)enginePtr;
 }
 
-void InfEngineBackendNet::addBlobs(const std::vector<Ptr<BackendWrapper> >& ptrs)
+void InfEngineBackendNet::addBlobs(const std::vector<cv::Ptr<BackendWrapper> >& ptrs)
 {
     auto wrappers = infEngineWrappers(ptrs);
     for (const auto& wrapper : wrappers)
diff --git a/modules/dnn/src/op_inf_engine.hpp b/modules/dnn/src/op_inf_engine.hpp
index 37bc5cc587..b9abfd3fcc 100644
--- a/modules/dnn/src/op_inf_engine.hpp
+++ b/modules/dnn/src/op_inf_engine.hpp
@@ -84,7 +84,7 @@ public:
 
     void initPlugin(InferenceEngine::ICNNNetwork& net);
 
-    void addBlobs(const std::vector<Ptr<BackendWrapper> >& ptrs);
+    void addBlobs(const std::vector<cv::Ptr<BackendWrapper> >& ptrs);
 
 private:
     InferenceEngine::Builder::Network netBuilder;