diff --git a/lib/adapters/http.js b/lib/adapters/http.js
index 70cb5cf..c6c603f 100755
--- a/lib/adapters/http.js
+++ b/lib/adapters/http.js
@@ -314,7 +314,7 @@ export default isHttpAdapterSupported && function httpAdapter(config) {
         } catch (e) {
         }
       }
-    } else if (utils.isBlob(data)) {
+    } else if (utils.isBlob(data) || utils.isFile(data)) {
       data.size && headers.setContentType(data.type || 'application/octet-stream');
       headers.setContentLength(data.size || 0);
       data = stream.Readable.from(readBlob(data));