diff --git a/.readthedocs.yml b/.readthedocs.yml
index e85ac8e00..e43aba97e 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -10,7 +10,7 @@ build:
     post_install:
       - pip install poetry myst-parser
       - poetry config virtualenvs.create false
-      - poetry install
+      - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH poetry install
       - python3 -c "from hammer.tech import TechJSON; print(TechJSON.schema_json(indent=2))" > doc/Technology/schema.json
 
 # Build documentation with Sphinx