diff --git a/test.sh b/test.sh
index 9426399..512dc7a 100755
--- a/test.sh
+++ b/test.sh
@@ -27,7 +27,8 @@ CHECK_HOST(){
 }
 
 errtime=$(stat -c %Y /opt/idssys/nodemgmt/10.5.10.53-haproxy.down)
-timediff=`date +%s`-$errtime
+ctime=`date +%s`
+timediff=$(date +%s)-$errtime
 echo $errtime
 echo `date +%s`
 echo $timediff