diff --git a/micropython/usb/usb-device/manifest.py b/micropython/usb/usb-device/manifest.py
index 025e6754..fa0d8a3f 100644
--- a/micropython/usb/usb-device/manifest.py
+++ b/micropython/usb/usb-device/manifest.py
@@ -1,2 +1,2 @@
-metadata(version="0.2.0")
+metadata(version="0.2.1")
 package("usb")
diff --git a/micropython/usb/usb-device/usb/device/core.py b/micropython/usb/usb-device/usb/device/core.py
index 7be09ee4..b0d91d8f 100644
--- a/micropython/usb/usb-device/usb/device/core.py
+++ b/micropython/usb/usb-device/usb/device/core.py
@@ -600,7 +600,8 @@ class Interface:
         # function has returned to the caller.
         if not self._open:
             raise RuntimeError("Not open")
-        _dev._submit_xfer(ep_addr, data, done_cb)
+        if not _dev._submit_xfer(ep_addr, data, done_cb):
+            raise RuntimeError("DCD error")
 
     def stall(self, ep_addr, *args):
         # Set or get the endpoint STALL state.