diff --git a/plugins/layer_types/openlayers_layer_type_geojson.inc b/plugins/layer_types/openlayers_layer_type_geojson.inc
index 73b5adf..bf5dc67 100644
--- a/plugins/layer_types/openlayers_layer_type_geojson.inc
+++ b/plugins/layer_types/openlayers_layer_type_geojson.inc
@@ -89,7 +89,7 @@ class openlayers_layer_type_geojson extends openlayers_layer_type {
       }
     }
 
-    $this->data['url'] = !empty($this->data['url']) ? url($this->data['url']) : '';
+    $this->data['url'] = !empty($this->data['url']) ? file_create_url($this->data['url']) : '';
 
     drupal_add_js(drupal_get_path('module', 'openlayers')
       . '/plugins/layer_types/openlayers_layer_type_geojson.js');
diff --git a/plugins/layer_types/openlayers_layer_type_gpx.inc b/plugins/layer_types/openlayers_layer_type_gpx.inc
index e70d801..5ae6099 100644
--- a/plugins/layer_types/openlayers_layer_type_gpx.inc
+++ b/plugins/layer_types/openlayers_layer_type_gpx.inc
@@ -183,6 +183,8 @@ class openlayers_layer_type_gpx extends openlayers_layer_type {
    * Render.
    */
   function render(&$map) {
+    $this->data['url'] = !empty($this->data['url']) ? file_create_url($this->data['url']) : '';
+
     drupal_add_js(drupal_get_path('module', 'openlayers')
       . '/plugins/layer_types/openlayers_layer_type_gpx.js');
   }
diff --git a/plugins/layer_types/openlayers_layer_type_kml.inc b/plugins/layer_types/openlayers_layer_type_kml.inc
index b7b44c2..26a073a 100644
--- a/plugins/layer_types/openlayers_layer_type_kml.inc
+++ b/plugins/layer_types/openlayers_layer_type_kml.inc
@@ -173,6 +173,8 @@ class openlayers_layer_type_kml extends openlayers_layer_type {
    * Render.
    */
   function render(&$map) {
+    $this->data['url'] = !empty($this->data['url']) ? file_create_url($this->data['url']) : '';
+
     drupal_add_js(drupal_get_path('module', 'openlayers')
       . '/plugins/layer_types/openlayers_layer_type_kml.js');
   }