diff --git a/phpBB/styles/prosilver/template/mcp_ban.html b/phpBB/styles/prosilver/template/mcp_ban.html
index f3b767f3e4..86a322435d 100644
--- a/phpBB/styles/prosilver/template/mcp_ban.html
+++ b/phpBB/styles/prosilver/template/mcp_ban.html
@@ -11,10 +11,10 @@
 	<!-- BEGIN bans -->
 		ban_length['{bans.BAN_ID}'] = '{{ bans.A_LENGTH }}';
 		<!-- IF bans.A_REASON -->
-			ban_reason['{bans.BAN_ID}'] = '{{ bans.A_REASON }}';
+			ban_reason['{bans.BAN_ID}'] = '{{ bans.REASON | e('js') }}';
 		<!-- ENDIF -->
 		<!-- IF bans.A_GIVE_REASON -->
-			ban_give_reason['{bans.BAN_ID}'] = '{{ bans.A_GIVE_REASON }}';
+			ban_give_reason['{bans.BAN_ID}'] = '{{ bans.GIVE_REASON | e('js') }}';
 		<!-- ENDIF -->
 	<!-- END bans -->