diff --git a/src/google/protobuf/service.h b/src/google/protobuf/service.h
index a7edeced240d..360ac4ee2cf6 100644
--- a/src/google/protobuf/service.h
+++ b/src/google/protobuf/service.h
@@ -81,6 +81,7 @@
 
 #include "google/protobuf/stubs/callback.h"
 #include "google/protobuf/stubs/common.h"
+#include "base/types.h"
 #include "google/protobuf/port.h"
 
 #ifdef SWIG