diff --git a/test/core/transport/chttp2/hpack_sync_fuzzer.cc b/test/core/transport/chttp2/hpack_sync_fuzzer.cc
index a9bc9685fe598..34c9af426c668 100644
--- a/test/core/transport/chttp2/hpack_sync_fuzzer.cc
+++ b/test/core/transport/chttp2/hpack_sync_fuzzer.cc
@@ -227,7 +227,7 @@ FUZZ_TEST(HpackSyncFuzzer, FuzzOneInput);
 
 auto ParseTestProto(const std::string& proto) {
   hpack_sync_fuzzer::Msg msg;
-  CHECK(proto2::TextFormat::ParseFromString(proto, &msg));
+  CHECK(google::protobuf::TextFormat::ParseFromString(proto, &msg));
   return msg;
 }