diff --git a/scripts/install b/scripts/install
index 14c277e..25c9393 100755
--- a/scripts/install
+++ b/scripts/install
@@ -52,7 +52,7 @@ ynh_add_nginx_config
 
 pushd $install_dir
  	ynh_use_nodejs
-	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn install --global sharp
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn global add sharp
 popd
 
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