diff --git a/src/xmpp/iq.c b/src/xmpp/iq.c
index c3a2c13d..ffcf200f 100644
--- a/src/xmpp/iq.c
+++ b/src/xmpp/iq.c
@@ -2432,7 +2432,8 @@ _disco_info_response_id_handler_onconnect(xmpp_stanza_t* const stanza, void* con
         }
 
         // Prevent repetitions by avoiding checks of disco items (from connection_set_disco_items)
-        if (from && g_ascii_strcasecmp(from, connection_get_domain()) == 0) {
+        const char* domain = connection_get_domain();
+        if (from && domain && g_ascii_strcasecmp(from, domain) == 0) {
             _disco_autoping_warning_message(features);
         }
     }