1 files changed, 1 insertions, 0 deletions
diff --git a/grpc.def b/grpc.def
index 266ca593ce..748f8ea1a1 100644
--- a/grpc.def
+++ b/grpc.def
@@ -83,6 +83,7 @@ EXPORTS
     grpc_channel_destroy
     grpc_call_cancel
     grpc_call_cancel_with_status
+    grpc_call_ref
     grpc_call_unref
     grpc_server_request_call
     grpc_server_register_method