From 9151f440224e43e02f1f45c1fdfca7209d5a6689 Mon Sep 17 00:00:00 2001
From: James Cole <james@firefly-iii.org>
Date: Mon, 26 Oct 2020 06:11:55 +0100
Subject: [PATCH] Fix #3991

---
 app/Transformers/TransactionGroupTransformer.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/Transformers/TransactionGroupTransformer.php b/app/Transformers/TransactionGroupTransformer.php
index 5db09e28cb..bb8726ac8e 100644
--- a/app/Transformers/TransactionGroupTransformer.php
+++ b/app/Transformers/TransactionGroupTransformer.php
@@ -569,6 +569,6 @@ class TransactionGroupTransformer extends AbstractTransformer
             return null;
         }
 
-        return $object['interest_date']->toAtomString();
+        return $object[$key]->toAtomString();
     }
 }