diff --git a/map_machine/mapper.py b/map_machine/mapper.py
index d8046cf..6f29225 100644
--- a/map_machine/mapper.py
+++ b/map_machine/mapper.py
@@ -280,5 +280,5 @@ def ui(arguments: argparse.Namespace) -> None:
     painter.draw(constructor)
 
     logging.info(f"Writing output SVG to {arguments.output_file_name}...")
-    with open(arguments.output_file_name, "w") as output_file:
+    with open(arguments.output_file_name, "w", encoding="utf-8") as output_file:
         svg.write(output_file)
diff --git a/map_machine/ui.py b/map_machine/ui.py
index 155d32b..3f1510c 100644
--- a/map_machine/ui.py
+++ b/map_machine/ui.py
@@ -301,6 +301,9 @@ def progress_bar(
         subsequently)
     :param text: short description
     """
+    if number == 0:
+        sys.stdout.write(text + "...\n")
+    return
     if number == -1:
         sys.stdout.write(f"100 % {length * '█'}▏{text}\n")
     elif number % step == 0: