diff --git a/ctapipe_io_magic/__init__.py b/ctapipe_io_magic/__init__.py
index c5840367016399bff30c62b157d313a030d114f0..ac526ce69d36cc2340260d59cfdd25161e75dc4a 100644
--- a/ctapipe_io_magic/__init__.py
+++ b/ctapipe_io_magic/__init__.py
@@ -1578,9 +1578,9 @@ class MarsMCFile:
         pointing_zd = self.event_data['pointing_zd'][event_id]
         pointing_az = self.event_data['pointing_az'][event_id]
 
-        event_true_energy = 0.0
-        event_true_zd = 0.0
-        event_true_az = 0.0
+        event_true_energy = self.event_data['true_energy'][event_id]
+        event_true_zd = self.event_data['true_zd'][event_id]
+        event_true_az = self.event_data['true_az'][event_id]
 
         event_data = dict()
         event_data['image'] = photon_content