diff --git a/doc/PRODUCTION.md b/doc/PRODUCTION.md
index 170759d..7b82741 100644
--- a/doc/PRODUCTION.md
+++ b/doc/PRODUCTION.md
@@ -16,7 +16,7 @@ cd ERPLibre
 ### 2. Modify the parameters
 
 Modify the file env_var.sh for production installation. Enable nginx if you need a proxy with `EL_INSTALL_NGINX` at
-True. Redirect your DNS to the proxy's ip and add your A and AAAA into `WL_WEBSITE_NAME` with space between.
+True. Redirect your DNS to the proxy's ip and add your A and AAAA into `EL_WEBSITE_NAME` with space between.
 
 ### 3. Execute the scripts:
 
diff --git a/script/install_production.sh b/script/install_production.sh
index 8f3d73e..2eba28a 100755
--- a/script/install_production.sh
+++ b/script/install_production.sh
@@ -24,7 +24,12 @@ sudo chown -R ${EL_USER}:${EL_USER} ${EL_HOME}
 echo -e "\n==== Clone this installation  ===="
 REMOTE_URL_GIT=`git remote get-url origin`
 BRANCH_GIT=`git rev-parse --abbrev-ref HEAD`
-sudo su ${EL_USER} -c "git clone --branch ${BRANCH_GIT} ${REMOTE_URL_GIT} ${EL_HOME_ERPLIBRE}"
+if [ "HEAD" = "${BRANCH_GIT}" ]; then
+  # Checkout version of env_var.sh
+  sudo su ${EL_USER} -c "git clone --branch v${ERPLIBRE_VERSION} ${REMOTE_URL_GIT} ${EL_HOME_ERPLIBRE}"
+else
+  sudo su ${EL_USER} -c "git clone --branch ${BRANCH_GIT} ${REMOTE_URL_GIT} ${EL_HOME_ERPLIBRE}"
+fi
 sudo cp ./env_var.sh ${EL_HOME_ERPLIBRE}
 sudo chown -R ${EL_USER}:${EL_USER} ${EL_HOME_ERPLIBRE}/env_var.sh