diff --git a/source/interface/cli/install.py b/source/interface/cli/install.py
index 0e4f688..d413d1e 100644
--- a/source/interface/cli/install.py
+++ b/source/interface/cli/install.py
@@ -18,24 +18,24 @@ def cli(options, argparser: argparse.ArgumentParser):
 
     mod_config_path = Path(f"./Pack/{args.mod}/mod_config.json")
     if not mod_config_path.exists():
-        print(_("ERROR_INVALID_MOD") % args.mod, file=sys.stderr)
+        sys.stderr.write(_("ERROR_INVALID_MOD") % args.mod + "\n")
         return
     mod_config = ModConfig.from_file(mod_config_path)
 
     game_path = Path(args.source)
     if not is_valid_source_path(game_path):
-        print(_("ERROR_INVALID_SOURCE_GAME") % game_path, file=sys.stderr)
+        sys.stderr.write(_("ERROR_INVALID_SOURCE_GAME") % game_path + "\n")
         return
     game = Game(args.source)
 
     destination_path = Path(args.dest)
     if not is_valid_destination_path(destination_path):
-        print(_("ERROR_INVALID_GAME_DESTINATION") % destination_path, file=sys.stderr)
+        sys.stderr.write(_("ERROR_INVALID_GAME_DESTINATION") % destination_path + "\n")
         return
 
     try: output_type = Extension[args.output_type]
     except KeyError:
-        print(_("ERROR_INVALID_OUTPUT_TYPE") % args.output_type, file=sys.stderr)
+        sys.stderr.write(_("ERROR_INVALID_OUTPUT_TYPE") % args.output_type + "\n")
         return
 
     # installation and progress bar
@@ -67,21 +67,15 @@ def cli(options, argparser: argparse.ArgumentParser):
 
         progressbar_step: int = current_step * progressbar_max // max_step if max_step > 0 else 0
 
-        print(
-            "\033[H\033[J", "\n",  # clear the shell
-            title, f"({current_part} / {max_part})", "\n",  # print the title and the actual part
-            description, "\n",  # print the description
-            *((
-                f"{round((current_step / max_step if max_step > 0 else 0) * 100, 2)}% "
-                f"[{'#' * progressbar_step}{' ' * (progressbar_max - progressbar_step)}]"
-            ) if determinate else ()),  # if determinate, show a progress bar
-
-            sep=""
+        sys.stdout.write(
+            "\033[H\033[J"  # clear the shell
+            f"{title} ({current_part} / {max_part})\n"  # print the title and the actual part
+            f"{description}\n"  # print the description
         )
 
-    print(
-        "\033[H\033[J",
-        get_finished_installation_message(mod_config),
+        if determinate: sys.stdout.write(
+            f"{round((current_step / max_step if max_step > 0 else 0) * 100, 2)}% "
+            f"[{'#' * progressbar_step}{' ' * (progressbar_max - progressbar_step)}]\n"
+        )
 
-        sep="\n"
-    )
+    sys.stdout.write("\033[H\033[J" + get_finished_installation_message(mod_config) + "\n")