diff --git a/kitty_tests/shell_integration.py b/kitty_tests/shell_integration.py
index 955cd596a..526e59f03 100644
--- a/kitty_tests/shell_integration.py
+++ b/kitty_tests/shell_integration.py
@@ -41,6 +41,7 @@ def basic_shell_env(home_dir):
         'KITTY_INSTALLATION_DIR': kitty_base_dir,
         'BASH_SILENCE_DEPRECATION_WARNING': '1',
         'PYTHONDONTWRITEBYTECODE': '1',
+        'WEZTERM_SHELL_SKIP_ALL': '1',  # dont fail if WezTerm's system wide, default on (why?) shell integration is installed
     }
     for x in ('USER', 'LANG'):
         if os.environ.get(x):