diff --git a/src/glog/logging.h b/src/glog/logging.h
index 300d253..12b43f4 100644
--- a/src/glog/logging.h
+++ b/src/glog/logging.h
@@ -1101,7 +1101,7 @@
 // LogMessage::LogStream is a std::ostream backed by this streambuf.
 // This class ignores overflow and leaves two bytes at the end of the
 // buffer to allow for a '\n' and '\0'.
-class GOOGLE_GLOG_DLL_DECL LogStreamBuf : public std::streambuf {
+class GOOGLE_GLOG_DLL_DECL [[clang::lto_visibility_public]] LogStreamBuf : public std::streambuf {
  public:
   // REQUIREMENTS: "len" must be >= 2 to account for the '\n' and '\n'.
   LogStreamBuf(char *buf, int len) {