diff --git a/src/core/lib/transport/transport.cc b/src/core/lib/transport/transport.cc
index 09306110c6..eb0ad96a7a 100644
--- a/src/core/lib/transport/transport.cc
+++ b/src/core/lib/transport/transport.cc
@@ -134,6 +134,8 @@ void grpc_stream_ref_init(grpc_stream_refcount* refcount, int initial_refs,
   refcount->slice_refcount.sub_refcount = &refcount->slice_refcount;
 }
 
+#undef move64
+
 static void move64(uint64_t* from, uint64_t* to) {
   *to += *from;
   *from = 0;