diff --git a/SaccadePursuitEyeTracking.py b/SaccadePursuitEyeTracking.py
index 4ede059..ac6f910 100755
--- a/SaccadePursuitEyeTracking.py
+++ b/SaccadePursuitEyeTracking.py
@@ -302,7 +302,7 @@ class EyeTrackingSaccadePursuit(SaccadePursuit.SPtask):
             )
             self.tracker.initialize_graphics()
             self.tracker.open_edf()
-            self.tracker.sendCommand("add_file_preamble_text 'Saccade Pursuit Experiment Plus Fixation and Necker Cube'")
+            self.tracker.send_command("add_file_preamble_text 'Saccade Pursuit Experiment Plus Fixation and Necker Cube'")
             self.tracker.initialize_tracker()
             self.tracker.send_calibration_settings()