diff --git a/libeos/event_handling.py b/libeos/event_handling.py
index 6d36eda..17ed3fe 100644
--- a/libeos/event_handling.py
+++ b/libeos/event_handling.py
@@ -90,4 +90,4 @@ class MergeFrames(EventDataAction):
         tofCut = const.lamdaCut+dataset.geometry.chopperDetectorDistance/const.hdm*1e-13
         total_offset = (tofCut +
                         dataset.timing.tau * (dataset.timing.ch1TriggerPhase + dataset.timing.chopperPhase/2)/180)
-        dataset.data.events.tof = merge_frames(dataset.data.events.tof, self.tofCut, dataset.timing.tau, total_offset)
+        dataset.data.events.tof = merge_frames(dataset.data.events.tof, tofCut, dataset.timing.tau, total_offset)
diff --git a/libeos/file_reader.py b/libeos/file_reader.py
index 7d7c995..9643663 100644
--- a/libeos/file_reader.py
+++ b/libeos/file_reader.py
@@ -460,4 +460,4 @@ class AmorData:
             setattr(self, key, value)
         for key, value in ds.timing.__dict__.items():
             setattr(self, key, value)
-        self.startTime = ds.eventStartTime
\ No newline at end of file
+        self.startTime = ds.eventStartTime