diff --git a/ldap1_connection.sh b/ldap1_connection.sh
index 4ea4843..f0562e2 100755
--- a/ldap1_connection.sh
+++ b/ldap1_connection.sh
@@ -7,13 +7,13 @@
 # List LDAP connections without:
 #   LISTEN
 #   129.20.123.1 server
-ss_cmd=$(ss -laputen | grep ":389" | grep -v 129.20.123.1 | grep -v LISTEN)
+ss_cmd=$(ss -laputen | grep ":389 " | grep -v 129.20.123.1 | grep -v LISTEN)
 
 # email recipient
 mail_recip="jeremy.gardais@univ-rennes1.fr"
 
 if [ "${ss_cmd}" ]; then
-  ss -laputen | grep ":389" | grep -v 129.20.123.1 | grep -v LISTEN | mail -s "LDAP1 connections" "${mail_recip}"
+  ss -laputen | grep ":389 " | grep -v 129.20.123.1 | grep -v LISTEN | mail -s "LDAP1 connections" "${mail_recip}"
 fi
 
 exit 0