diff --git a/cd.sh b/cd.sh
index a4cf213..67f33fa 100644
--- a/cd.sh
+++ b/cd.sh
@@ -52,8 +52,7 @@ local text=''
         text+="nameserver ${server}
 "
     done
-    cd_write "${CD_DNS_FILE}" "${text}" \
-    || exit
+    cd_write "${CD_DNS_FILE}" "${text}"
 }
 
 function cd_set_packages_repositories {
@@ -102,7 +101,7 @@ Acquire::https::Verify-Peer False;
 function cd_update_packages_catalog {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
-        'debian') apt-get update ;;
+        'debian') apt-get update || exit ;;
         *) exit 1 ;;
     esac
 }