diff --git a/run/power.sh b/run/power.sh
index 260f8ee..91354ad 100644
--- a/run/power.sh
+++ b/run/power.sh
@@ -19,8 +19,9 @@ _trap(){
     done
 }
 
-_graceful_shutdown(){
+_graceful_shutdown() {
 
+  [ ! -f "${_QEMU_PID}" ] && return
   [ -f "${_QEMU_SHUTDOWN_COUNTER}" ] && return
 
   set +e