diff --git a/src/mod/endpoints/mod_sofia/sofia_glue.c b/src/mod/endpoints/mod_sofia/sofia_glue.c
index 2eea09bd5e..0c0035412f 100644
--- a/src/mod/endpoints/mod_sofia/sofia_glue.c
+++ b/src/mod/endpoints/mod_sofia/sofia_glue.c
@@ -1211,7 +1211,7 @@ switch_status_t sofia_glue_do_invite(switch_core_session_t *session)
 		}
 
 		sofia_glue_get_url_from_contact(rpid_domain, 0);
-		if ((rpid_domain = strrchr(rpid_domain, '@'))) {
+		if (rpid_domain && (rpid_domain = strrchr(rpid_domain, '@'))) {
 			rpid_domain++;
 			if ((p = strchr(rpid_domain, ';'))) {
 				*p = '\0';