Maybe unbreak website generation on travis

diff --git a/docs/Makefile b/docs/Makefile
index f6ffe8d118ac38f221382aab4af05eddcaa86184..64011e35f73b32b2480246358ec7269bd3ed25c6 100644 (file)
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -18,7 +18,7 @@ help:
 env: .venv
 
 .venv: requirements.txt
-       $(PYTHON) -m venv .venv
+       virtualenv -p $(PYTHON) .venv
        ./.venv/bin/pip install -e ../psycopg3
        ./.venv/bin/pip install -r requirements.txt