diff --git a/Coil_geometry/Export_field/05_Write_to_txt.py b/Coil_geometry/Export_field/05_Write_to_txt.py
index e8660e4..716073c 100644
--- a/Coil_geometry/Export_field/05_Write_to_txt.py
+++ b/Coil_geometry/Export_field/05_Write_to_txt.py
@@ -46,7 +46,8 @@ def main():
                         raise ValueError
 
                 str_line = str_line + str_el + ' '
-            bx_txt.writelines(str_line)
+            str_line += '\n'
+            bx_txt.write(str_line)
     bx_txt.close()
 
     by_txt = open("output/step_50μm/By_step_50.txt", "w+")
@@ -68,8 +69,8 @@ def main():
                         raise ValueError
 
                 str_line = str_line + str_el + ' '
-
-            by_txt.writelines(str_line)
+            str_line += '\n'
+            by_txt.write(str_line)
     by_txt.close()
 
     bz_txt = open("output/step_50μm/Bz_step_50.txt", "w+")
@@ -90,9 +91,9 @@ def main():
                     if len(str_el) != 8:
                         raise ValueError
 
-                str_line = str_line + str_el + ' '
-
-            bz_txt.writelines(str_line)
+                str_line += str_el + ' '
+            str_line += '\n'
+            bz_txt.write(str_line)
     bz_txt.close()
 
     """