diff --git a/script/optics/FocusYRotScan.py b/script/optics/FocusYRotScan.py
index d2a323d2..fd42c234 100644
--- a/script/optics/FocusYRotScan.py
+++ b/script/optics/FocusYRotScan.py
@@ -15,7 +15,7 @@ LATENCY = 0.5
 ENDSCAN = False
 
 MOTORS = [FocusYRot]
-SENSORS = [SampleCurrent, RefCurrent, MachineCurrent, OpticsCameraCentroidX, OpticsCameraSigmaX, opps1img]
+SENSORS = [SampleCurrent, RefCurrent, MachineCurrent, OpticsCameraCentroidX, OpticsCameraSigmaX, opps1img.getDataMatrix()]
 STARTPOS = (-DISTANCE / 2.0)
 ENDPOS = (DISTANCE / 2.0)
 RELATIVE = True