diff --git a/src/dtls13.c b/src/dtls13.c
index 94245cbef..bd76ffe52 100644
--- a/src/dtls13.c
+++ b/src/dtls13.c
@@ -1969,7 +1969,7 @@ int Dtls13SetRecordNumberKeys(WOLFSSL* ssl, enum encrypt_side side)
 {
     RecordNumberCiphers* enc = NULL;
     RecordNumberCiphers* dec = NULL;
-    byte *encKey, *decKey;
+    byte *encKey = NULL, *decKey = NULL;
     int ret;
 
     if (ssl == NULL) {