diff --git a/r-session-complete/Dockerfile.ubuntu2204 b/r-session-complete/Dockerfile.ubuntu2204
index 6fde09a9..46784c18 100644
--- a/r-session-complete/Dockerfile.ubuntu2204
+++ b/r-session-complete/Dockerfile.ubuntu2204
@@ -43,7 +43,7 @@ RUN ln -s /lib/rstudio-server/bin/quarto/bin/quarto /usr/local/bin/quarto
 ### Install TinyTeX using Quarto ###
 RUN $SCRIPTS_DIR/install_quarto.sh --install-tinytex --add-path-tinytex
 
-RUN /opt/python/"${PYTHON_VERSION_JUPYTER}"/bin/python -m venv /opt/python/jupyter \
+RUN /opt/python/"${PYTHON_VERSION}"/bin/python -m venv /opt/python/jupyter \
     && /opt/python/jupyter/bin/python -m pip install \
       jupyterlab~=4.2.4 \
       notebook \