diff --git a/script/RFscan/GunScan.py b/script/RFscan/GunScan.py
index 05c9831..6d852f7 100644
--- a/script/RFscan/GunScan.py
+++ b/script/RFscan/GunScan.py
@@ -43,4 +43,4 @@ finally:
     phase.close()
 #    camtool.close()
     
-p = plot([E, dE],"data", rf_phase, title="Phase scan")
+p = plot([E, dE],name="data", xdata=phase, title="Phase scan")