diff --git a/pyzebra/app.py b/pyzebra/app.py
index 6105569..d7f2508 100644
--- a/pyzebra/app.py
+++ b/pyzebra/app.py
@@ -67,7 +67,7 @@ def update_image():
 
 def filelist_callback(_attr, _old, new):
     global curent_h5_data, current_index
-    data = pyzebra.read_detector_data(new)
+    data, _, _, _ = pyzebra.read_detector_data(new)
     curent_h5_data = data
     current_index = 0
     update_image()