diff --git a/pc/rtcstats_integrationtest.cc b/pc/rtcstats_integrationtest.cc
index 3800740..3c07e38 100644
--- a/pc/rtcstats_integrationtest.cc
+++ b/pc/rtcstats_integrationtest.cc
@@ -497,6 +497,7 @@
     verifier.TestMemberIsNonNegative<int32_t>(candidate.priority);
     verifier.TestMemberIsUndefined(candidate.url);
     verifier.TestMemberIsDefined(candidate.deleted);
+    verifier.TestMemberIsUndefined(candidate.relay_protocol);
     return verifier.ExpectAllMembersSuccessfullyTested();
   }