diff --git a/configure.cmd b/configure.cmd
index a0cd4296..815a5f9b 100644
--- a/configure.cmd
+++ b/configure.cmd
@@ -26,4 +26,5 @@ if %errorlevel% == 0 (
 	echo The Makefile is generated. Run 'nmake' to build SoftEther VPN.
 ) else (
 	cd ..
+	exit /b 1
 )