diff --git a/src/core/transport/transport.h b/src/core/transport/transport.h
index 92c1f38..6e1ec2f 100644
--- a/src/core/transport/transport.h
+++ b/src/core/transport/transport.h
@@ -75,7 +75,7 @@
   /** The number of bytes this peer is currently prepared to receive.
       These bytes will be eventually used to replenish per-stream flow control
       windows. */
-  gpr_uint32 max_recv_bytes;
+  size_t max_recv_bytes;
   grpc_iomgr_closure *on_done_recv;
 
   grpc_pollset *bind_pollset;