diff --git a/script/RFscan/GunScan.py b/script/RFscan/GunScan.py
index 0f6ffee..8887651 100644
--- a/script/RFscan/GunScan.py
+++ b/script/RFscan/GunScan.py
@@ -4,7 +4,7 @@ import  ch.psi.pshell.epics.Camtool as Camtool
 if get_exec_pars().source == CommandSource.ui:
     start   = -180.0
     stop    = 180.0
-    step    = 5.0
+    step    = 20.0
     nb      = 5
     lat     = 1.0
 else: