diff --git a/quic/test_tools/fake_proof_source.cc b/quic/test_tools/fake_proof_source.cc
index 0d3da93..bc75678 100644
--- a/quic/test_tools/fake_proof_source.cc
+++ b/quic/test_tools/fake_proof_source.cc
@@ -140,7 +140,7 @@
 }
 
 void FakeProofSource::InvokePendingCallback(int n) {
-  CHECK(NumPendingCallbacks() > n);
+  QUICHE_CHECK(NumPendingCallbacks() > n);
 
   pending_ops_[n]->Run();