diff --git a/webui/source/templates/ajax/delete-source.tpl b/webui/source/templates/ajax/delete-source.tpl
index a498329..179d78d 100644
--- a/webui/source/templates/ajax/delete-source.tpl
+++ b/webui/source/templates/ajax/delete-source.tpl
@@ -6,7 +6,7 @@
             "content": {$sources_html|json_encode}
         }
     {else}
-        "dialogheadertitle" {
+        "dialogheadertitle": {
             "content": "Delete Source"
         },