diff --git a/dev/win_installer/_base.sh b/dev/win_installer/_base.sh
index b293a982c..7f3cf1078 100755
--- a/dev/win_installer/_base.sh
+++ b/dev/win_installer/_base.sh
@@ -147,7 +147,7 @@ function install_advene {
 
     (cd "${REPO_CLONE}" && git checkout "$1") || exit 1
 
-    build_python "${REPO_CLONE}"/setup.py install
+    build_python "${REPO_CLONE}"/setup.py install --old-and-unmanageable
     
     ADVENE_VERSION=$(MSYSTEM="" build_python -c \
 	    "import sys; sys.path.insert(0, 'lib'); import advene.core.version; sys.stdout.write(advene.core.version.version)")