diff --git a/android/src/main/java/com/rnfs/Uploader.java b/android/src/main/java/com/rnfs/Uploader.java
index 97b24faf..5324a366 100644
--- a/android/src/main/java/com/rnfs/Uploader.java
+++ b/android/src/main/java/com/rnfs/Uploader.java
@@ -159,7 +159,9 @@ private void upload(UploadParams params, UploadResult result) throws Exception {
                 fileCount++;
                 bufInput.close();
             }
-            request.writeBytes(tail);
+            if (!binaryStreamOnly) {
+                request.writeBytes(tail);
+            }
             request.flush();
             request.close();