diff --git a/script/Electric_field_loop.py b/script/Electric_field_loop.py
index 418a156..2cdd9f9 100644
--- a/script/Electric_field_loop.py
+++ b/script/Electric_field_loop.py
@@ -99,8 +99,8 @@ for i in range(0,len(forward)):
     ADC1_E2=ADC1_temp_E2/Noavg; 
     tey_norm = tey_norm_E1/tey_norm_E2;#edge/preedge  
     detector4 = caget(OTF_MODE2)
-    B=forward[i]
-    filename.write(" %f %f %e %f %e %e %s \n" %(B, E1, ADC2_E1, E2, ADC2_E2, tey_norm, detector4));      
+    
+    filename.write(" %f %f %e %f %e %e %s \n" %(forward[i], E1, ADC2_E1, E2, ADC2_E2, tey_norm, detector4));      
 
 
 #reverse loop
@@ -158,8 +158,8 @@ for i in range(0,len(reverse)):
     ADC1_E2=ADC1_temp_E2/Noavg; 
     tey_norm = tey_norm_E1/tey_norm_E2;#edge/preedge  
     detector4 = caget(OTF_MODE2)
-    B=forward[i];
-    filename.write(" %f %f %e %f %e %e %s \n" %(B, E1, ADC2_E1, E2, ADC2_E2, tey_norm, detector4));      
+    
+    filename.write(" %f %f %e %f %e %e %s \n" %(reverse[i], E1, ADC2_E1, E2, ADC2_E2, tey_norm, detector4));      
 
 filename.close();
 #plot(data"+file_prefix", title = "2d", xdata = B, ydata = data_y)