1 files changed, 4 insertions, 3 deletions
diff --git a/python/google/protobuf/pyext/message_factory.h b/python/google/protobuf/pyext/message_factory.h
index 36092f7e..06444b0a 100644
--- a/python/google/protobuf/pyext/message_factory.h
+++ b/python/google/protobuf/pyext/message_factory.h
@@ -33,7 +33,7 @@
 
 #include <Python.h>
 
-#include <google/protobuf/stubs/hash.h>
+#include <unordered_map>
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/pyext/descriptor_pool.h>
 
@@ -66,7 +66,8 @@ struct PyMessageFactory {
   //
   // Descriptor pointers stored here are owned by the DescriptorPool above.
   // Python references to classes are owned by this PyDescriptorPool.
-  typedef hash_map<const Descriptor*, CMessageClass*> ClassesByMessageMap;
+  typedef std::unordered_map<const Descriptor*, CMessageClass*>
+      ClassesByMessageMap;
   ClassesByMessageMap* classes_by_descriptor;
 };
 
@@ -98,6 +99,6 @@ bool InitMessageFactory();
 
 }  // namespace python
 }  // namespace protobuf
-
 }  // namespace google
+
 #endif  // GOOGLE_PROTOBUF_PYTHON_CPP_MESSAGE_FACTORY_H__