diff --git a/maps/kraut.space_e1.json b/maps/kraut.space_e1.json
index a2218c4..d6abf3f 100644
--- a/maps/kraut.space_e1.json
+++ b/maps/kraut.space_e1.json
@@ -204,7 +204,7 @@
                 {
                  "name":"openWebsite",
                  "type":"string",
-                 "value":"http:\/\/n.jo-so.de\/rc3-gaestebuch"
+                 "value":"https:\/\/n.jo-so.de\/rc3-gaestebuch"
                 }],
          "type":"tilelayer",
          "visible":true,