diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 07568cf..e7d7bc6 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -4,7 +4,7 @@ build:
       - pip install -U poetry
       - poetry config virtualenvs.create false
     post_install:
-      - poetry install --without speedups
+      - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH poetry install --without speedups
   os: ubuntu-22.04
   tools:
     python: "3.11"