diff --git a/office365/Content/Library/office365/auth/authenticate.sl b/office365/Content/Library/office365/auth/authenticate.sl
index f3b499d..ec71dd9 100644
--- a/office365/Content/Library/office365/auth/authenticate.sl
+++ b/office365/Content/Library/office365/auth/authenticate.sl
@@ -12,7 +12,6 @@ flow:
           - SUCCESS: encode_client_secret
           - FAILURE: on_failure
     - http_client_post:
-        worker_group: '${json}'
         do:
           io.cloudslang.base.http.http_client_post:
             - url: "${'https://login.microsoftonline.com/%s/oauth2/v2.0/token' % tenant_q}"