diff --git a/mugen/libs/locallibs/common_lib.sh b/mugen/libs/locallibs/common_lib.sh
index cf0e1a076c211ee6169e0bc6709baa16ae3cdc39..7356f3af09fb28d303a2da8cebb6bed3c54f8e6a 100644
--- a/mugen/libs/locallibs/common_lib.sh
+++ b/mugen/libs/locallibs/common_lib.sh
@@ -86,18 +86,19 @@ function SLEEP_WAIT() {
     wait_time=${1-1}
     cmd=$2
     sleep_time=0
-
-    while [ $sleep_time -lt $wait_time ]; do
-        sleep 1
-        if [ -n "$cmd" ]; then
+    if [ -n "$cmd" ]; then
+        while [ $sleep_time -lt $wait_time ]; do
+            sleep 1
             if $cmd; then
                 return 0
             fi
-        fi
-        ((sleep_time++))
-    done
-}
-
+            ((sleep_time++))
+        done
+	return 1 
+    else
+         sleep "${wait_time}"
+    fi
+ }
 function REMOTE_REBOOT_WAIT() {
     remoteip=$1
     remotepasswd=$2