diff --git a/routers/slack.py b/routers/slack.py
index 53684fc40..d845d9f75 100644
--- a/routers/slack.py
+++ b/routers/slack.py
@@ -384,7 +384,7 @@ def slack_get_response_for_msg_id(
     if not output_text:
         return {"status": "no_output"}
 
+    content = output_text[0]
     if remove_refs:
-        output_text = "".join(snippet for snippet, _ in parse_refs(output_text, []))
-
-    return {"status": "ok", "output_text": output_text}
+        content = "".join(snippet for snippet, _ in parse_refs(content, []))
+    return {"status": "ok", "content": content}
diff --git a/tests/test_slack.py b/tests/test_slack.py
index dd83d35a2..ebe72ca96 100644
--- a/tests/test_slack.py
+++ b/tests/test_slack.py
@@ -48,4 +48,4 @@ def test_slack_get_response_for_msg_id(transactional_db):
         headers={"Authorization": f"Bearer {auth_token}"},
     )
     assert r.status_code == 200
-    assert r.json().get("output_text") == ["hello, world!"]
+    assert r.json().get("content") == "hello, world!"