diff --git a/src/osd/windows/winmain.c b/src/osd/windows/winmain.c
index e0d96913061..b8716f6d32a 100644
--- a/src/osd/windows/winmain.c
+++ b/src/osd/windows/winmain.c
@@ -1032,6 +1032,7 @@ static DWORD WINAPI watchdog_thread_entry(LPVOID lpParameter)
 		if (wait_result == WAIT_TIMEOUT)
 		{
 			fprintf(stderr, "Terminating due to watchdog timeout\n");
+			fflush(stderr);
 			TerminateProcess(GetCurrentProcess(), -1);
 		}
 	}