diff --git a/bin/check_last_login.sh b/bin/check_last_login.sh
index b38e952..499bbff 100755
--- a/bin/check_last_login.sh
+++ b/bin/check_last_login.sh
@@ -176,7 +176,7 @@ for ssh_group in ${ssh_groups[@]}; do
 					lock_user=1;
 				fi;
 			elif [ ${last_login} -gt ${warn_age_login} ]; then
-				out_string="OK [last ssh login ${last_login} days ago";
+				out_string="OK [last ssh login ${last_login} days ago]";
 			else
 				out_string="OK [ssh]";
 			fi;
@@ -196,7 +196,7 @@ for ssh_group in ${ssh_groups[@]}; do
 					lock_user=1;
 				fi;
 			elif [ ${last_login} -gt ${warn_age_login} ]; then
-				out_string="OK [last terminal login ${last_login} days ago";
+				out_string="OK [last terminal login ${last_login} days ago]";
 			else
 				out_string="OK [lastlog]";
 			fi;