diff --git a/scripts/install b/scripts/install
index 34ddbc5..5ebea9e 100755
--- a/scripts/install
+++ b/scripts/install
@@ -128,7 +128,7 @@ ynh_script_progression --message="Building Node dependencies..." --weight=30
 
 pushd "$final_path"
 	ynh_use_nodejs
-	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH npx yarn -- install
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH npx yarn install
 popd
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index d9386cd..0df0ba7 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -108,7 +108,7 @@ ynh_script_progression --message="Building Node dependencies..." --weight=3
 
 pushd "$final_path"
 	ynh_use_nodejs
-	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH npx yarn -- install
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH npx yarn install
 popd
 
 #=================================================