diff --git a/legendary/cli.py b/legendary/cli.py
index 55333fe..1cd6904 100644
--- a/legendary/cli.py
+++ b/legendary/cli.py
@@ -10,6 +10,7 @@ import subprocess
 import time
 import webbrowser
 
+from distutils.util import strtobool
 from logging.handlers import QueueListener
 from multiprocessing import freeze_support, Queue as MPQueue
 from sys import exit, stdout
@@ -849,8 +850,8 @@ def main():
         launch_parser.add_argument('--wine-prefix', dest='wine_pfx', action='store', metavar='<wine pfx path>',
                                    default=os.environ.get('LGDRY_WINE_PREFIX', None),
                                    help='Override WINE prefix used.')
-        launch_parser.add_argument('--no-wine', dest='no_wine', action='store_true',
-                                   default=os.environ.get('LGDRY_NO_WINE', None),
+        launch_parser.add_argument('--no-wine', dest='no_wine', action='store_true', type=bool,
+                                   default=strtobool(os.environ.get('LGDRY_NO_WINE', 'False')),
                                    help='Do not use WINE (e.g. if a wrapper is being used)')
     else:
         # hidden arguments to not break this on Windows