diff --git a/state_machines/rfp_email_form_fill/state_machine.json b/state_machines/rfp_email_form_fill/state_machine.json
index fad7083..80bbf78 100644
--- a/state_machines/rfp_email_form_fill/state_machine.json
+++ b/state_machines/rfp_email_form_fill/state_machine.json
@@ -128,7 +128,7 @@
               "ItemSelector": {
                 "system_prompt.$": "$.get_prompts_output.parsed_JSON.system_prompt",
                 "prompt.$": "$$.Map.Item.Value",
-                "s3_arn.$": "$.parsed_attachments_for_llm_ouput.attachments[0].attachment_uri"
+                "s3_arn.$": "$.parsed_attachments_for_llm_ouput.attachment_arns[0]"
               },
               "ResultPath": "$.prompt_responses",
               "Next": "Map claude response to document filler argument",