diff --git a/script/RFscan/GunScan.py b/script/RFscan/GunScan.py
index 3ac10ff..6fcae0d 100644
--- a/script/RFscan/GunScan.py
+++ b/script/RFscan/GunScan.py
@@ -43,4 +43,4 @@ finally:
     phase.close()
 #    camtool.close()
     
-plot((E,dE), name="data", title="Phase scan")
+plot((E,dE), name="data",  xdata = rf_phase, title="Phase scan")