diff --git a/src/wire-plugins/plugin_wire_taler-bank.c b/src/wire-plugins/plugin_wire_taler-bank.c
index 9b2d27416..ad869d6ef 100644
--- a/src/wire-plugins/plugin_wire_taler-bank.c
+++ b/src/wire-plugins/plugin_wire_taler-bank.c
@@ -1033,7 +1033,7 @@ taler_bank_get_history (void *cls,
   whh->hres_cb = hres_cb;
   whh->hres_cb_cls = hres_cb_cls;
 
-  port = 433; /* if non given, equals 433.  */
+  port = 443; /* if non given, equals 443.  */
   if (NULL != (p = strchr (account.hostname,
                            (unsigned char) ':')))
   {