diff --git a/cli_output.c b/cli_output.c
index b3d4e04..1c85f7a 100644
--- a/cli_output.c
+++ b/cli_output.c
@@ -47,5 +47,6 @@
 	va_start(ap, fmt);
 	ret = vfprintf(output_type, fmt, ap);
 	va_end(ap);
+	fflush(output_type);
 	return ret;
 }