--- a/tests/run-tests.py	Wed Nov 18 20:14:17 2009 +0100
+++ b/tests/run-tests.py	Tue Nov 17 13:24:58 2009 +0100
@@ -293,7 +293,7 @@
     os.chdir(hgroot)
     cmd = ('%s setup.py %s clean --all'
            ' install --force --prefix="%s" --install-lib="%s"'
-           ' --install-scripts="%s" >%s 2>&1'
+           ' --install-scripts="%s" --home="" >%s 2>&1'
            % (sys.executable, pure, INST, PYTHONDIR, BINDIR, installerrs))
     vlog("# Running", cmd)
     if os.system(cmd) == 0: