diff --git a/src/core/tsi/ssl_transport_security.cc b/src/core/tsi/ssl_transport_security.cc
index fafe6ca3c57..4da7035c24d 100644
--- a/src/core/tsi/ssl_transport_security.cc
+++ b/src/core/tsi/ssl_transport_security.cc
@@ -1075,7 +1075,7 @@ static tsi_result ssl_handshaker_result_extract_peer(
   // the peer's certificate is not present in the stack
   STACK_OF(X509)* peer_chain = SSL_get_peer_cert_chain(impl->ssl);
   // 1 is for session reused property.
-  size_t new_property_count = peer->property_count + 2;
+  size_t new_property_count = peer->property_count + 3;
   if (alpn_selected != nullptr) new_property_count++;
   if (peer_chain != nullptr) new_property_count++;
   tsi_peer_property* new_properties = static_cast<tsi_peer_property*>(