diff --git a/deploy/addons/registry-aliases/node-etc-hosts-update.tmpl b/deploy/addons/registry-aliases/node-etc-hosts-update.tmpl
index dce9320c60..13e92354eb 100644
--- a/deploy/addons/registry-aliases/node-etc-hosts-update.tmpl
+++ b/deploy/addons/registry-aliases/node-etc-hosts-update.tmpl
@@ -29,7 +29,7 @@ spec:
                   name: registry-aliases
                   key: registryAliases
           command:
-            - bash
+            - ash
             - -ce
             - |
               NL=$'\n'