diff --git a/script/Electric_field_loop.py b/script/Electric_field_loop.py
index cfce928..6864ea1 100644
--- a/script/Electric_field_loop.py
+++ b/script/Electric_field_loop.py
@@ -54,10 +54,10 @@ for i in range(0,No_of_steps):
         wait_channel(OTF_DONE, 1, type = 'i')
         readback2  = energy.read()
         sleep(1);
-        detector1 = float(keithley_1a.read()) #Keithley1
-        detector2 = float(keithley_2a.read()) #Keithley2
+        detector1 = keithley_1a.read() #Keithley1
+        detector2 = keithley_2a.read() #Keithley2
         detector4 = caget(OTF_MODE2)   #polarization in ID2
-        M1 = detector2/detector1
+        M1 = float(detector2)/float(detector1)
         temp_tey=temp_tey+(M1);
         ADC2_temp_E1=ADC2_temp_E1+detector2;
         ADC1_temp_E1=ADC1_temp_E1+detector1;