1 files changed, 5 insertions, 1 deletions
diff --git a/src/google/protobuf/util/internal/object_source.h b/src/google/protobuf/util/internal/object_source.h
index 3a24b750..c8ee36fb 100644
--- a/src/google/protobuf/util/internal/object_source.h
+++ b/src/google/protobuf/util/internal/object_source.h
@@ -35,6 +35,8 @@
 #include <google/protobuf/stubs/stringpiece.h>
 #include <google/protobuf/stubs/status.h>
 
+#include <google/protobuf/port_def.inc>
+
 namespace google {
 namespace protobuf {
 namespace util {
@@ -48,7 +50,7 @@ class ObjectWriter;
 // example, a character stream, or protobuf.
 //
 // Derived classes could be thread-unsafe.
-class LIBPROTOBUF_EXPORT ObjectSource {
+class PROTOBUF_EXPORT ObjectSource {
  public:
   virtual ~ObjectSource() {}
 
@@ -76,4 +78,6 @@ class LIBPROTOBUF_EXPORT ObjectSource {
 }  // namespace protobuf
 }  // namespace google
 
+#include <google/protobuf/port_undef.inc>
+
 #endif  // GOOGLE_PROTOBUF_UTIL_CONVERTER_OBJECT_SOURCE_H__