diff --git a/extmod/asyncio/core.py b/extmod/asyncio/core.py
index 8aad234514b0c..95e518c841ba1 100644
--- a/extmod/asyncio/core.py
+++ b/extmod/asyncio/core.py
@@ -49,6 +49,9 @@ def __next__(self):
             self.exc.__traceback__ = None
             raise self.exc
 
+    def send(self, x):
+        self.__next__()
+
 
 # Pause task execution for the given time (integer in milliseconds, uPy extension)
 # Use a SingletonGenerator to do it without allocating on the heap