diff --git a/src/usr/local/www/firewall_rules_edit.php b/src/usr/local/www/firewall_rules_edit.php
index 10aa64710a..e4457a3229 100644
--- a/src/usr/local/www/firewall_rules_edit.php
+++ b/src/usr/local/www/firewall_rules_edit.php
@@ -42,14 +42,16 @@ $icmptypes46 = array('any' => gettext('any'));
 
 // ICMP descriptions may be translated, so require escaping to handle single quotes (in particular)
 foreach ($icmptypes as $k => $v) {
+	$description = addslashes($v['descrip']);
+
 	if ($v['valid4']) {
-		$icmptypes4[$k] = addslashes($v['descrip']);
+		$icmptypes4[$k] = $description;
 		if ($v['valid6']) {
-			$icmptypes6[$k] = addslashes($v['descrip']);
-			$icmptypes46[$k] = addslashes($v['descrip']);
+			$icmptypes6[$k] = $description;
+			$icmptypes46[$k] = $description;
 		}
 	} else {
-		$icmptypes6[$k] = addslashes($v['descrip']);
+		$icmptypes6[$k] = $description;
 	}
 }