diff --git a/backend/src/routes/productSpreaderSettings.js b/backend/src/routes/productSpreaderSettings.js
index 2e0b2f7..2b60a86 100644
--- a/backend/src/routes/productSpreaderSettings.js
+++ b/backend/src/routes/productSpreaderSettings.js
@@ -34,10 +34,14 @@ const userProductIdParamSchema = Joi.object({
   userProductId: Joi.number().integer().positive().required()
 });
 
+const productIdParamSchema = Joi.object({
+  productId: Joi.number().integer().positive().required()
+});
+
 // @route   GET /api/product-spreader-settings/product/:productId
 // @desc    Get spreader settings for a specific product
 // @access  Private
-router.get('/product/:productId', validateParams(idParamSchema), async (req, res, next) => {
+router.get('/product/:productId', validateParams(productIdParamSchema), async (req, res, next) => {
   try {
     const productId = req.params.productId;