diff --git a/config.sample.json b/config.sample.json
index 40e55f711d..95de1f97c4 100644
--- a/config.sample.json
+++ b/config.sample.json
@@ -49,5 +49,6 @@
     },
     "jitsi": {
         "preferredDomain": "meet.element.io"
-    }
+    },
+    "map_style_url": "https://api.maptiler.com/maps/streets/style.json?key=fU3vlMsMn4Jb6dnEIFsx"
 }