diff --git a/scripts/install b/scripts/install
index 3bbf220..8075af0 100755
--- a/scripts/install
+++ b/scripts/install
@@ -50,7 +50,7 @@ ynh_script_progression --message="Building app..." --weight=30
 
 pushd $install_dir
     ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install --production --pure-lockfile --network-timeout=30000
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install --production --network-timeout=30000
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn run build
 #ynh_exec_warn_less yarn start
 popd