diff --git a/src/mod/endpoints/mod_sofia/sofia_reg.c b/src/mod/endpoints/mod_sofia/sofia_reg.c
index b1bbf3b0b6..be6041ff4f 100644
--- a/src/mod/endpoints/mod_sofia/sofia_reg.c
+++ b/src/mod/endpoints/mod_sofia/sofia_reg.c
@@ -811,7 +811,9 @@ uint8_t sofia_reg_handle_register(nua_t *nua, sofia_profile_t *profile, nua_hand
 		to_host = from_host;
 
 	if (!to_user || !to_host) {
-		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can not do authorization without a complete header\n");
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can not do authorization without a complete header in REGISTER request from %s:%d\n", 
+						  network_ip, network_port);
+
 		nua_respond(nh, SIP_401_UNAUTHORIZED, NUTAG_WITH_THIS(nua), TAG_END());
 		switch_goto_int(r, 1, end);
 	}