diff --git a/src/dtls13.c b/src/dtls13.c
index 3591d67b4..86e5fb8be 100644
--- a/src/dtls13.c
+++ b/src/dtls13.c
@@ -262,6 +262,7 @@ static int Dtls13GetRnMask(WOLFSSL* ssl, const byte* ciphertext, byte* mask,
         return wc_AesEncryptDirect(c->aes, mask, ciphertext);
 #else
         wc_AesEncryptDirect(c->aes, mask, ciphertext);
+        return 0;
 #endif
     }
 #endif /* HAVE_AESGCM || HAVE_AESCCM */