diff --git a/script/RFscan/GunScan.py b/script/RFscan/GunScan.py
index f321ed1..3aea47a 100644
--- a/script/RFscan/GunScan.py
+++ b/script/RFscan/GunScan.py
@@ -43,4 +43,4 @@ finally:
     phase.close()
 #    camtool.close()
     
-plot(E, xdata = rf_phase, title="Phase scan")
+plot((E, dE), xdata = rf_phase, title="Phase scan")