diff --git a/src/win/winapi.h b/src/win/winapi.h
index f6f5ea7d..d52ad9b3 100644
--- a/src/win/winapi.h
+++ b/src/win/winapi.h
@@ -4826,4 +4826,13 @@ typedef int (WINAPI *uv_sGetHostNameW)
              int);
 extern uv_sGetHostNameW pGetHostNameW;
 
+/* processthreadsapi.h */
+#if defined(__MINGW32__)
+WINBASEAPI
+HRESULT WINAPI GetThreadDescription(HANDLE hThread,
+                                    PWSTR *ppszThreadDescription);
+WINBASEAPI
+HRESULT WINAPI SetThreadDescription(HANDLE hThread, PCWSTR lpThreadDescription);
+#endif
+
 #endif /* UV_WIN_WINAPI_H_ */