use shell to start show command

Hopefully this is enough to successfully start the default
program on windows.

1 files changed, 2 insertions, 2 deletions

diff --git a/quiz.py b/quiz.py
index 45af0c4..20eacda 100755
--- a/quiz.py
+++ b/quiz.py
@@ -31,7 +31,7 @@ if platform.system() != 'windows':
     SHOW_QUESTION_CMD = 'xdg-open'
     PLAY_SOUND_CMD = 'mpv'
 else:
-    SHOW_QUESTION_CMD = 'cmd.exe /c start'
+    SHOW_QUESTION_CMD = 'start'
     PLAY_SOUND_CMD = 'vlc.exe --intf=dummy --dummy-quiet'
 
 
@@ -148,7 +148,7 @@ def load_solutions(question_dirs: list[Path],
 def show_question(question: Path) -> subprocess.Popen:
     """show the question in an external programm and return the process"""
     cmd = f'{SHOW_QUESTION_CMD} "{question}"'.split()
-    return subprocess.Popen(cmd)
+    return subprocess.Popen(cmd, shell=True)
 
 
 def color_button(layout, text: str, color: str):