diff --git a/ssl/tls_record.cc b/ssl/tls_record.cc
index 73a8869..83453ee 100644
--- a/ssl/tls_record.cc
+++ b/ssl/tls_record.cc
@@ -586,7 +586,7 @@
   }
 
   Span<uint8_t> plaintext;
-  uint8_t type;
+  uint8_t type = 0;
   const ssl_open_record_t result = tls_open_record(
       ssl, &type, &plaintext, out_record_len, out_alert, in);