diff --git a/generators/input-validators/schema-node.yaml b/generators/input-validators/schema-node.yaml
index 6d2335e913383686aaa0a7da7ae8aef1f93d1edc..acc67b363f9e559af4f6c9911f6f34a50ae218c6 100644
--- a/generators/input-validators/schema-node.yaml
+++ b/generators/input-validators/schema-node.yaml
@@ -60,6 +60,7 @@ network_adapters:
     version: optional # optional_string
     line_card: optional_string
     position: optional_integer
+    alias: optional_array
 operating_system:
   kernel: string
   name: string