diff --git a/lib/vtls/openssl.c b/lib/vtls/openssl.c
index 2d17acf1bb..87f4b02b71 100644
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@@ -2060,6 +2060,10 @@ static const char *ssl_msg_type(int ssl_ver, int msg)
       case SSL3_MT_ENCRYPTED_EXTENSIONS:
         return "Encrypted Extensions";
 #endif
+#ifdef SSL3_MT_SUPPLEMENTAL_DATA
+      case SSL3_MT_SUPPLEMENTAL_DATA:
+        return "Supplemental data";
+#endif
 #ifdef SSL3_MT_END_OF_EARLY_DATA
       case SSL3_MT_END_OF_EARLY_DATA:
         return "End of early data";