diff --git a/script/odoo_install_locally.sh b/script/odoo_install_locally.sh
index 2ebaf2e..ee7f21b 100755
--- a/script/odoo_install_locally.sh
+++ b/script/odoo_install_locally.sh
@@ -35,6 +35,17 @@ OE_CONFIG_FILE="${OE_HOME}/config.conf"
 #MINIMAL_ADDONS="False"
 #INSTALL_NGINX="True"
 
+if hash python3.7 2>/dev/null; then
+    PYTHON37="True"
+    PYTHON36="False"
+elif hash python3.6 2>/dev/null; then
+    PYTHON37="False"
+    PYTHON36="True"
+else
+    echo "Missing python3.7 or python3.6. Python3.8 is not compatible."
+    exit 1
+fi
+
 echo -e "* Create server config file"
 
 touch ${OE_CONFIG_FILE}
@@ -50,7 +61,7 @@ printf "longpolling_port = ${OE_LONGPOLLING_PORT}\n" >> ${OE_CONFIG_FILE}
 
 printf "addons_path = ${OE_HOME_EXT}/addons,${OE_HOME}/addons/addons," >> ${OE_CONFIG_FILE}
 printf "${OE_HOME}/addons/OCA_web," >> ${OE_CONFIG_FILE}
-if [ $MINIMAL_ADDONS = "False" ]; then
+if [[ $MINIMAL_ADDONS = "False" ]]; then
     printf "${OE_HOME}/addons/MathBenTech_development," >> ${OE_CONFIG_FILE}
     printf "${OE_HOME}/addons/MathBenTech_odoo-business-spending-management-quebec-canada," >> ${OE_CONFIG_FILE}
     printf "${OE_HOME}/addons/MathBenTech_scrummer," >> ${OE_CONFIG_FILE}
@@ -151,7 +162,11 @@ git submodule update --init
 
 echo -e "\n---- Create Virtual environment Python ----"
 cd ${OE_HOME}
-python3 -m venv venv
+if [[ ${PYTHON37} = "True" ]]; then
+    python3.7 -m venv venv
+elif [[ ${PYTHON36} = "True" ]]; then
+    python3.6 -m venv venv
+fi
 cd -
 
 echo -e "\n---- Install python packages/requirements ----"
@@ -164,5 +179,8 @@ ${OE_HOME}/venv/bin/pip3 install -r "${OE_HOME}/requirements.txt"
 ${OE_HOME}/venv/bin/pip3 install websocket-client
 
 echo -e "\n---- Add link dependency in site-packages of Python ----"
-ln -fs ${OE_HOME_EXT}/odoo ${OE_HOME}/venv/lib/python3.7/site-packages/
-ln -fs ${OE_HOME_EXT}/odoo ${OE_HOME}/venv/lib/python3.6/site-packages/
+if [[ ${PYTHON37} = "True" ]]; then
+    ln -fs ${OE_HOME_EXT}/odoo ${OE_HOME}/venv/lib/python3.7/site-packages/
+elif [[ ${PYTHON36} = "True" ]]; then
+    ln -fs ${OE_HOME_EXT}/odoo ${OE_HOME}/venv/lib/python3.6/site-packages/
+fi