diff --git a/upload_to_pypi.sh b/upload_to_pypi.sh
index cf6d92a..41b7b65 100644
--- a/upload_to_pypi.sh
+++ b/upload_to_pypi.sh
@@ -1,4 +1,4 @@
-deactivate
+# must be run outside of virtual environment!
 rm -rf dist/*
 python3 -m pip install --user --upgrade setuptools wheel
 python3 setup.py sdist bdist_wheel