diff --git a/meson.build b/meson.build
index 25dec07..8c7f3ea 100644
--- a/meson.build
+++ b/meson.build
@@ -13,7 +13,7 @@ project(
         'python3',
         [
             '-c',
-            'from setuptools_scm import get_version;print(get_version(normalize=False, fallback_version="%OZIBUILDVERSION%"))',
+            'from setuptools_scm import get_version;print(get_version(normalize=False, fallback_version="0.0.0"))',
         ],
         check: true,
     ).stdout().strip(),
@@ -70,7 +70,7 @@ if not meson.is_subproject()
     deps = run_command(python, '-c', dev.get_variable('install_dependencies'), check: true).stdout().strip().split('$$')
     if deps[0] != ''
         if find_program('uv', disabler: true).found()
-            meson.add_postconf_script('uv', 'venv', 'venv')
+            meson.add_postconf_script('uv', 'venv', 'venv', '--clear')
         else
             meson.add_postconf_script(dev.get_variable('pip'), 'install', 'virtualenv')
             meson.add_postconf_script('virtualenv', 'venv')