diff --git a/src/main/xar-resources/modules/view.xql b/src/main/xar-resources/modules/view.xql
index 4f8e94f..b36c811 100644
--- a/src/main/xar-resources/modules/view.xql
+++ b/src/main/xar-resources/modules/view.xql
@@ -17,8 +17,8 @@ import module namespace app="http://exist-db.org/showcase/jfreechart/templates"
 declare option exist:serialize "method=html5 media-type=text/html enforce-xhtml=yes";
 
 let $config := map {
-    $templates:CONFIG_APP_ROOT := $config:app-root,
-    $templates:CONFIG_STOP_ON_ERROR := true()
+    $templates:CONFIG_APP_ROOT : $config:app-root,
+    $templates:CONFIG_STOP_ON_ERROR : true()
 }
 (:
  : We have to provide a lookup function to templates:apply to help it