diff --git a/script/local.py b/script/local.py
index e487d0b..79855aa 100644
--- a/script/local.py
+++ b/script/local.py
@@ -357,7 +357,7 @@ polmod = pol_mod()
 def otf(start, end, time, delay=0.0, mode = None, offset = None, alpha = None, name = None):
     """
     """
-    run("EnergyScan", {"E1":start, "E2":end, "TIME":time, "DELAY":float(delay), "MODE":mode, "OFFSET":float(offset), "FOLDER":None, "FILE":name, "ALPHA":float(alpha)})    
+    run("EnergyScan", {"E1":start, "E2":end, "TIME":time, "DELAY":float(delay), "MODE":mode, "OFFSET":offset, "FOLDER":None, "FILE":name, "ALPHA":alpha})    
 
 def hyst_cont(field, init_field, final_field, ramp_speed, energies):
     """