diff --git a/converter.py b/converter.py
index 79b6850..3608e2c 100644
--- a/converter.py
+++ b/converter.py
@@ -133,7 +133,7 @@ if __name__ == "__main__":
 
     # Output XML
     dom = xml_parser(xml_string)
-    pretty_xml = dom.toprettyxml(encoding="UTF-8").decode()
+    pretty_xml = dom.toprettyxml(indent="   ", encoding="UTF-8").decode()
     if args.output:
         with open(args.output, "w") as output_file:
             output_file.write(pretty_xml)