diff --git a/src/main.c b/src/main.c
index 30f15f9c..c1e18bd2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2026,6 +2026,7 @@ void tf_run_thread_start(const char* zip_path)
 #else
 int main(int argc, char* argv[])
 {
+	setvbuf(stdout, NULL, _IONBF, 0);
 	_startup(argc, argv);
 	ares_library_init(0);