diff --git a/templates/da_cache_to_shub.json.j2 b/templates/da_cache_to_shub.json.j2
index 39f3808..4cc20ef 100644
--- a/templates/da_cache_to_shub.json.j2
+++ b/templates/da_cache_to_shub.json.j2
@@ -183,7 +183,8 @@
 							"url" : "https://data.blue-cloud.org/api/login",
 							"method" : "POST",
 							"headers" : {
-								"Content-type": "application/json"
+								"Content-type": "application/json",
+								"Accept": "application/json"
 							},
 							"body" : {
 							  "username": "${workflow.input.callback.username}",