diff --git a/htdocs/comm/mailing/card.php b/htdocs/comm/mailing/card.php
index b26bf5812e9..86aff8a36e0 100644
--- a/htdocs/comm/mailing/card.php
+++ b/htdocs/comm/mailing/card.php
@@ -285,9 +285,8 @@ if (empty($reshook)) {
 
 						$moreinheader = '';
 						if (preg_match('/__UNSUBSCRIBE__/', $message)) {
-							$moreinheader = make_substitutions('__UNSUBSCRIBE__', $substitutionarray);
-							$moreinheader = explode('"', $moreinheader);
-							$moreinheader = "List-Unsubscribe: <".$moreinheader[1].">\n";
+							$moreinheader = "List-Unsubscribe: <__UNSUBSCRIBE_URL__>\n";
+							$moreinheader = make_substitutions($moreinheader, $substitutionarray);
 						}
 
 						$arr_file = array();
diff --git a/scripts/emailings/mailing-send.php b/scripts/emailings/mailing-send.php
index 8d9d98aa3d3..0d59a1b5db5 100755
--- a/scripts/emailings/mailing-send.php
+++ b/scripts/emailings/mailing-send.php
@@ -271,9 +271,8 @@ if ($resql) {
 
 						$moreinheader = '';
 						if (preg_match('/__UNSUBSCRIBE__/', $message)) {
-							$moreinheader = make_substitutions('__UNSUBSCRIBE__', $substitutionarray);
-							$moreinheader = explode('"', $moreinheader);
-							$moreinheader = "List-Unsubscribe: <".$moreinheader[1].">\n";
+							$moreinheader = "List-Unsubscribe: <__UNSUBSCRIBE_URL__>\n";
+							$moreinheader = make_substitutions($moreinheader, $substitutionarray);
 						}
 
 						$arr_file = array();