diff --git a/Forward-Tools/socat_tools.sh b/Forward-Tools/socat_tools.sh
index bba6b50..febf80b 100644
--- a/Forward-Tools/socat_tools.sh
+++ b/Forward-Tools/socat_tools.sh
@@ -125,7 +125,7 @@ create_service() {
       ;;
     7)
       PROTO="udp4to6"
-      SOCAT_CMD="UDP6-LISTEN:${LOCAL_PORT},reuseaddr,fork UDP4:${TARGET_IP}:${TARGET_PORT}"
+      SOCAT_CMD="UDP6-LISTEN:${LOCAL_PORT},reuseaddr,fork UDP:${TARGET_IP}:${TARGET_PORT}"
       ;;
     8)
       PROTO="udp6to4"