diff --git a/res/res_pjsip.c b/res/res_pjsip.c
index 7a9b1a2e21..0043f2a350 100644
--- a/res/res_pjsip.c
+++ b/res/res_pjsip.c
@@ -3913,7 +3913,7 @@ static int create_out_of_dialog_request(const pjsip_method *method, struct ast_s
 		contact_hdr = pjsip_msg_find_hdr_by_names((*tdata)->msg, &HCONTACT, &HCONTACTSHORT, NULL);
 		if (contact_hdr) {
 			contact_uri = pjsip_uri_get_uri(contact_hdr->uri);
-			pj_strdup2(pool, &contact_uri->user, endpoint->contact_user);
+			pj_strdup2((*tdata)->pool, &contact_uri->user, endpoint->contact_user);
 		}
 	}