--- a/www/js/rec_main.js	Wed Sep 26 15:28:59 2018 +0200
+++ b/www/js/rec_main.js	Thu Sep 27 23:13:41 2018 +0200
@@ -56,7 +56,7 @@
 			addButton.jqxButton({ theme: theme, width: 120, height: 20 });
 			// add new recipe.
 			addButton.click(function (event) {
-				var url= "rec_new.php?return='rec_main.php'";
+				var url= "rec_new.php?return=rec_main.php";
 				window.location.href = url;
 			});
 		},