diff --git a/iterablepythonwrapper/client.py b/iterablepythonwrapper/client.py
index a53c0d9..568bc9d 100644
--- a/iterablepythonwrapper/client.py
+++ b/iterablepythonwrapper/client.py
@@ -1611,7 +1611,7 @@ def update_subscriptions(self, email, email_list_ids=None,
 		payload["email"]= email
 
 		if email_list_ids is not None:
-			payload["emailListIds"]
+			payload["emailListIds"] = email_list_ids
 
 		if unsubscribed_channel_ids is not None:
 			payload["unsubscribedChannelIds"]= unsubscribed_channel_ids
@@ -1719,4 +1719,4 @@ def trigger_workflow(self, workflow_id, email=None,
 
 
 
-	
\ No newline at end of file
+