diff --git a/script/Electric_field_loop.py b/script/Electric_field_loop.py
index e9f4077..3ec26c9 100644
--- a/script/Electric_field_loop.py
+++ b/script/Electric_field_loop.py
@@ -58,7 +58,7 @@ for i in range(0,No_of_steps):
         detector2 = keithley_2a.read() #Keithley2
         detector4 = caget(OTF_MODE2)   #polarization in ID2
         M1 = detector2/detector1
-        temp_tey=temp_tey+M1;
+        temp_tey=temp_tey+float(M1);
         ADC2_temp_E1=ADC2_temp_E1+detector2;
         ADC1_temp_E1=ADC1_temp_E1+detector1;
         
@@ -72,7 +72,7 @@ for i in range(0,No_of_steps):
         detector2 = keithley_2a.read() #Keithley2
         detector4 = caget(OTF_MODE2)   #polarization in ID2
         M2 = detector2/detector1
-        temp_tey_E2=temp_tey+M1;
+        temp_tey_E2=temp_tey+float(M1);
         ADC2_temp_E2=ADC2_temp_E2+detector2;
         ADC1_temp_E2=ADC1_temp_E2+detector1;