diff --git a/src/scene/scene.js b/src/scene/scene.js
index 8ae5af061..3190d85c9 100755
--- a/src/scene/scene.js
+++ b/src/scene/scene.js
@@ -1034,7 +1034,7 @@ export default class Scene {
 
         // Convert raw data into blob URL
         if (source.data && typeof source.data === 'object') {
-            source.url = URLs.createObjectURL(new Blob([JSON.stringify(source.data)]));
+            source.url = URLs.createObjectURL(new Blob([JSON.stringify(source.data)], { type: 'application/json' }));
             delete source.data;
         }