diff --git a/update_ssmtp.sh b/update_ssmtp.sh
index 28ea885..af2b44f 100644
--- a/update_ssmtp.sh
+++ b/update_ssmtp.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 ConfiguredComment='# install script update_ssmtp.sh has configured ssmtp'
-grep -nc "$ConfiguredComment" /etc/ssmtp.conf && {
+grep -qc "$ConfiguredComment" /etc/ssmtp.conf && {
     echo "smtp configured."
     exit
 }