diff --git a/back/lib/ns_update_del b/back/lib/ns_update_del
index 6a14e78..8403077 100755
--- a/back/lib/ns_update_del
+++ b/back/lib/ns_update_del
@@ -19,7 +19,7 @@ source "${CONFIG_FILE}"
 
 "${LIB_DIR}/ns_update_send" "update delete ${1}. A
 update delete ${1}. AAAA
-update delete *.${1}. CNAME.
+update delete *.${1}. CNAME
 send
 update delete $("${LIB_DIR}/ns_update_rev_ipv4" "${2}") PTR.
 send