1 files changed, 1 insertions, 1 deletions
diff --git a/include/grpcpp/impl/codegen/channel_interface.h b/include/grpcpp/impl/codegen/channel_interface.h
index 39805a0ef5..6ec1ffb8c7 100644
--- a/include/grpcpp/impl/codegen/channel_interface.h
+++ b/include/grpcpp/impl/codegen/channel_interface.h
@@ -134,7 +134,7 @@ class ChannelInterface {
   virtual internal::Call CreateCallInternal(const internal::RpcMethod& method,
                                             ClientContext* context,
                                             CompletionQueue* cq,
-                                            int interceptor_pos) {
+                                            size_t interceptor_pos) {
     return internal::Call();
   }