diff --git a/back/lib/ns_update_del b/back/lib/ns_update_del
index a1b51c6..6a14e78 100755
--- a/back/lib/ns_update_del
+++ b/back/lib/ns_update_del
@@ -17,7 +17,7 @@ fi; if ! [ -f "${CONFIG_FILE}" ]; then
 fi
 source "${CONFIG_FILE}"
 
-"${LIB_DIR}/ns_update_send" "update add ${1}. A
+"${LIB_DIR}/ns_update_send" "update delete ${1}. A
 update delete ${1}. AAAA
 update delete *.${1}. CNAME.
 send