diff --git a/quic/core/quic_utils.cc b/quic/core/quic_utils.cc
index a6f6577..eed0e37 100644
--- a/quic/core/quic_utils.cc
+++ b/quic/core/quic_utils.cc
@@ -161,6 +161,7 @@
     RETURN_STRING_LITERAL(NEVER_SENT);
     RETURN_STRING_LITERAL(ACKED);
     RETURN_STRING_LITERAL(UNACKABLE);
+    RETURN_STRING_LITERAL(NEUTERED);
     RETURN_STRING_LITERAL(HANDSHAKE_RETRANSMITTED);
     RETURN_STRING_LITERAL(LOST);
     RETURN_STRING_LITERAL(TLP_RETRANSMITTED);