diff --git a/xrdp/xrdp_wm.c b/xrdp/xrdp_wm.c
index 548742ac..4917c3aa 100644
--- a/xrdp/xrdp_wm.c
+++ b/xrdp/xrdp_wm.c
@@ -583,7 +583,8 @@ xrdp_wm_init(struct xrdp_wm *self)
                 /* if autorun is configured in xrdp.ini, we enforce that module to be loaded */
                 g_strncpy(section_name, autorun_name, 255);
             }
-            else if (self->session->client_info->domain[0] != '_')
+            else if (self->session->client_info->domain[0] != '\0' &&
+                     self->session->client_info->domain[0] != '_')
             {
                 /* domain names that starts with '_' are reserved for IP/DNS to
                  * simplify for the user in a proxy setup */