diff --git a/templates/invitation-accepted.json.j2 b/templates/invitation-accepted.json.j2
index a1001ba..fc09ff8 100644
--- a/templates/invitation-accepted.json.j2
+++ b/templates/invitation-accepted.json.j2
@@ -40,7 +40,7 @@
 			"type" : "SIMPLE",
 			"inputParameters" : {
 				"url" : "${init.input.keycloak_admin}/users",
-				"expect" : 201,
+				"expect" : [201, 409],
 				"method" : "POST",
 				"body" : {
 					"username": "${workflow.input.user}",