diff --git a/script/jitter_scan.py b/script/jitter_scan.py
index 3897793..2c4fbbc 100644
--- a/script/jitter_scan.py
+++ b/script/jitter_scan.py
@@ -301,14 +301,14 @@ m.setLabelPaint(Color.BLACK)
 pyp.setStyle(py.Style.ErrorY)
 pyp.setLegendVisible(True)
 
-sy1 = LinePlotErrorSeries("F1")
+sy2 = LinePlotErrorSeries("F2")
 pyp.addSeries(sy1)
-sy1.setLinesVisible(False)
-sy1.appendData(1.0, ref_jit_phase.sat.mean,  ref_jit_phase.sat.min,  ref_jit_phase.sat.max)
-sy1.appendData(2.0, iqm_jit_phase.sat.mean,  iqm_jit_phase.sat.min,  iqm_jit_phase.sat.max)
-sy1.appendData(3.0, pre_jit_phase.sat.mean,  pre_jit_phase.sat.min,  pre_jit_phase.sat.max)
-sy1.appendData(4.0, kly_jit_phase.sat.mean,  kly_jit_phase.sat.min,  kly_jit_phase.sat.max)
-sy1.appendData(5.0, vsum_jit_phase.sat.mean, vsum_jit_phase.sat.min, vsum_jit_phase.sat.max)
+sy2.setLinesVisible(False)
+sy2.appendData(1.0, ref_jit_phase.sat.mean,  ref_jit_phase.sat.min,  ref_jit_phase.sat.max)
+sy2.appendData(2.0, iqm_jit_phase.sat.mean,  iqm_jit_phase.sat.min,  iqm_jit_phase.sat.max)
+sy2.appendData(3.0, pre_jit_phase.sat.mean,  pre_jit_phase.sat.min,  pre_jit_phase.sat.max)
+sy2.appendData(4.0, kly_jit_phase.sat.mean,  kly_jit_phase.sat.min,  kly_jit_phase.sat.max)
+sy2.appendData(5.0, vsum_jit_phase.sat.mean, vsum_jit_phase.sat.min, vsum_jit_phase.sat.max)
 
 m=pyp.addMarker(1.0, pyp.AxisId.X, "REF",pyp.background)
 m.setLabelPaint(Color.BLACK)