diff --git a/templates/da_cache_to_shub.json.j2 b/templates/da_cache_to_shub.json.j2
index a1b7c17..06e89a9 100644
--- a/templates/da_cache_to_shub.json.j2
+++ b/templates/da_cache_to_shub.json.j2
@@ -183,7 +183,7 @@
 					  "inputParameters": {
 						"input" : "${workflow.input.descriptor}",
 						"output" : "${join_parallel_downloads.output}",
-						"scriptExpression": "2 == 2"
+						"scriptExpression": "var k,report={ i : $.input, o : $.output}; return {report:Java.to(report,'java.util.Map[]')}"
 					  }
 					}
 				]