1 files changed, 1 insertions, 1 deletions
diff --git a/src/google/protobuf/util/internal/type_info.h b/src/google/protobuf/util/internal/type_info.h
index e394e8cf..d8133176 100644
--- a/src/google/protobuf/util/internal/type_info.h
+++ b/src/google/protobuf/util/internal/type_info.h
@@ -44,7 +44,7 @@ namespace util {
 namespace converter {
 // Internal helper class for type resolving. Note that this class is not
 // thread-safe and should only be accessed in one thread.
-class TypeInfo {
+class LIBPROTOBUF_EXPORT TypeInfo {
  public:
   TypeInfo() {}
   virtual ~TypeInfo() {}