diff --git a/riocli/jsonschema/schemas/usergroup-schema.yaml b/riocli/jsonschema/schemas/usergroup-schema.yaml
index 0faf912c..febb170e 100644
--- a/riocli/jsonschema/schemas/usergroup-schema.yaml
+++ b/riocli/jsonschema/schemas/usergroup-schema.yaml
@@ -70,7 +70,7 @@ definitions:
       guid:
         $ref: "#/definitions/uuid"
       emailID:
-        $ref: "#/definitions/email"
+        type: string
 
     oneOf:
       - required:
@@ -113,7 +113,3 @@ definitions:
   uuid:
     type: string
     pattern: "^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$"
-
-  email:
-    type: string
-    pattern: "^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9]{2,}$"