diff --git a/generate_parameter_library_py/generate_parameter_library_py/parse_yaml.py b/generate_parameter_library_py/generate_parameter_library_py/parse_yaml.py
index ad92c79..c32c3a3 100644
--- a/generate_parameter_library_py/generate_parameter_library_py/parse_yaml.py
+++ b/generate_parameter_library_py/generate_parameter_library_py/parse_yaml.py
@@ -870,6 +870,9 @@ def __str__(self):
             # ),
         }
 
-        j2_template = Template(GenerateCode.templates['parameter_library_header'])
+        j2_template = Template(
+            GenerateCode.templates['parameter_library_header'],
+            keep_trailing_newline=True,
+        )
         code = j2_template.render(data, trim_blocks=True)
         return code