diff --git a/quic/core/quic_session.cc b/quic/core/quic_session.cc
index 779476e..205f7ad 100644
--- a/quic/core/quic_session.cc
+++ b/quic/core/quic_session.cc
@@ -894,10 +894,16 @@
 }
 
 bool QuicSession::IsEncryptionEstablished() const {
+  if (GetCryptoStream() == nullptr) {
+    return false;
+  }
   return GetCryptoStream()->encryption_established();
 }
 
 bool QuicSession::IsCryptoHandshakeConfirmed() const {
+  if (GetCryptoStream() == nullptr) {
+    return false;
+  }
   return GetCryptoStream()->handshake_confirmed();
 }