diff --git a/scripts/install b/scripts/install
index 92079f4..587affb 100644
--- a/scripts/install
+++ b/scripts/install
@@ -47,7 +47,7 @@ ynh_script_progression --message="Installing application using node..."
 pushd $install_dir
 # set port in configuration file
 	sed -i "/HTTP_PORT/s/[0-9]*[0-9]/$port/" package.json
-	sed -i "/HTTPS_PORT/s/[0-9]*[0-9]/$https_port/" package.json
+	sed -i "/HTTPS_PORT/s/[0-9]*[0-9]/$port_https/" package.json
 	# use custom home value to avoid bower storing values in root and have right errors
 	if [ $mono_user -eq 1 ] ; then
 	    ynh_add_config --template="petrolette.config.json" --destination="petrolette.config.json"
diff --git a/scripts/upgrade b/scripts/upgrade
index b9b9b32..a34184b 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -61,7 +61,7 @@ ynh_script_progression --message="Upgrading the app..." --weight=5
 pushd $install_dir
 # set port in configuration file
         sed -i "/HTTP_PORT/s/[0-9]*[0-9]/$port/" package.json
-        sed -i "/HTTPS_PORT/s/[0-9]*[0-9]/$https_port/" package.json
+        sed -i "/HTTPS_PORT/s/[0-9]*[0-9]/$port_https/" package.json
     if [ "$path" != "/" ] ; then
         sed -i "s|\$.get(\"/feed\", {|\$.get(\"feed\", {|" public/js/PTL.feed.js 
     fi