From b82bfb6a88e9e587cc0d3613f11aa92cd778f205 Mon Sep 17 00:00:00 2001
From: Gerd Duscher <50049264+gduscher@users.noreply.github.com>
Date: Mon, 11 Sep 2023 00:40:14 +0200
Subject: [PATCH] Update dm_reader.py

---
 SciFiReaders/readers/microscopy/em/tem/dm_reader.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/SciFiReaders/readers/microscopy/em/tem/dm_reader.py b/SciFiReaders/readers/microscopy/em/tem/dm_reader.py
index 34d7e25..2081492 100644
--- a/SciFiReaders/readers/microscopy/em/tem/dm_reader.py
+++ b/SciFiReaders/readers/microscopy/em/tem/dm_reader.py
@@ -223,7 +223,8 @@ def read(self):
         for index, dataset in self.datasets.items():
             if 'urvey' in dataset.title:
                 main_dataset_number = index
-        self.datasets[main_dataset_number].original_metadata.update(self.__stored_tags)
+        main_dataset_key = list(self.datasets.keys())[0]
+        self.datasets[main_dataset_key].original_metadata.update(self.__stored_tags)
         self.close()
         return self.datasets