diff --git a/nuclei-jsonschema.json b/nuclei-jsonschema.json
index 57f8fc7fa..1db207d77 100755
--- a/nuclei-jsonschema.json
+++ b/nuclei-jsonschema.json
@@ -850,6 +850,7 @@
       ],
       "properties": {
         "id": {
+          "pattern": "^([a-zA-Z0-9]+[-_])*[a-zA-Z0-9]+$",
           "type": "string",
           "title": "id of the template",
           "description": "The Unique ID for the template",