diff --git a/src/views/admin/header.tpl b/src/views/admin/header.tpl
index 5839dcb254..3831f12a1c 100644
--- a/src/views/admin/header.tpl
+++ b/src/views/admin/header.tpl
@@ -15,7 +15,7 @@
 		var app = {
 			template: "{template.name}",
 			user: JSON.parse('{{userJSON}}'),
-			config: JSON.parse(decodeURIComponent('{{adminConfigJSON}}'))
+			config: JSON.parse(decodeURIComponent("{{adminConfigJSON}}"))
 		};
 	</script>