diff --git a/script/PumpProbeXES_W1.py b/script/PumpProbeXES_W1.py
index 1a41664..b83a017 100644
--- a/script/PumpProbeXES_W1.py
+++ b/script/PumpProbeXES_W1.py
@@ -112,6 +112,8 @@ for setpoint1 in range(0, 30):
 
     
     detector9Diff=detector9On-detector9Off
+    detector10Diff=detector10On;
+    detector11Diff=detector11On;
     for i in range (0,ROI1size):
         detector10Diff[i]=detector10On[i]-detector10Off[i]
     for i in range (0,ROI2size):