diff --git a/src/python/grpcio/grpc/experimental/aio/_call.py b/src/python/grpcio/grpc/experimental/aio/_call.py
index fb7f486966c..1a43c44f5c5 100644
--- a/src/python/grpcio/grpc/experimental/aio/_call.py
+++ b/src/python/grpcio/grpc/experimental/aio/_call.py
@@ -142,14 +142,13 @@ class AioRpcError(grpc.RpcError):
 
 
 def _create_rpc_error(initial_metadata: Optional[MetadataType],
-                      status: cygrpc.AioRpcStatus,
-                      debug_error_string: Optional[str] = None) -> AioRpcError:
+                      status: cygrpc.AioRpcStatus) -> AioRpcError:
     return AioRpcError(
         _common.CYGRPC_STATUS_CODE_TO_STATUS_CODE[status.code()],
         status.details(),
         initial_metadata,
         status.trailing_metadata(),
-        debug_error_string,
+        status.debug_error_string(),
     )
 
 
@@ -275,12 +274,8 @@ class _UnaryResponseMixin(Call):
             if self._cython_call.is_locally_cancelled():
                 raise asyncio.CancelledError()
             else:
-                call_status = self._cython_call._status
-                debug_error_string = None
-                if call_status is not None:
-                    debug_error_string = call_status._debug_error_string
                 raise _create_rpc_error(self._cython_call._initial_metadata,
-                                        call_status, debug_error_string)
+                                        self._cython_call._status)
         else:
             return response