diff --git a/script/Electric_field_loop3.py b/script/Electric_field_loop3.py
index 8e136bd..f8e4ade 100644
--- a/script/Electric_field_loop3.py
+++ b/script/Electric_field_loop3.py
@@ -56,6 +56,7 @@ file_prefix = time.strftime("%Y%m%d")
 fid = get_next_fid(output_path, "me" + file_prefix)
 suffix = ("%03d" % fid)
 output_file = output_path + "me" + file_prefix + "_" + suffix 
+print "output_file = ", output_file
 
 for k in range(0,20):
     print "Setting field = ", k*Min/20