diff --git a/html/script.js b/html/script.js
index 1be7370..8e35fca 100644
--- a/html/script.js
+++ b/html/script.js
@@ -1659,6 +1659,8 @@ jQuery('#selected_altitude_geom1')
                 }
             }
         });
+    } else {
+        useRouteAPI = false;
     }