diff --git a/tools/run-mini2440-sdcard.bat b/tools/run-mini2440-sdcard.bat
index 404aa39dc..78fc9f7d6 100644
--- a/tools/run-mini2440-sdcard.bat
+++ b/tools/run-mini2440-sdcard.bat
@@ -1,3 +1,3 @@
 start qemu-system-arm.exe -M mini2440 -kernel ..\bsp\mini2440\rtthread-mini2440.axf -show-cursor -sd SDCARD -serial telnet:127.0.0.1:1200,server
-putty.exe
+start putty.exe