diff --git a/umap/static/umap/js/umap.controls.js b/umap/static/umap/js/umap.controls.js
index 517a70f3..0c1bc9c1 100644
--- a/umap/static/umap/js/umap.controls.js
+++ b/umap/static/umap/js/umap.controls.js
@@ -1032,7 +1032,7 @@ L.U.Map.include({
         return togpx(map.toGeoJSON())
       },
       ext: '.gpx',
-      filetype: 'application/xml',
+      filetype: 'application/gpx+xml',
     },
     kml: {
       formatter: function (map) {