diff --git a/backend/src/routes/products.js b/backend/src/routes/products.js
index 60fb9e1..ce7d9dc 100644
--- a/backend/src/routes/products.js
+++ b/backend/src/routes/products.js
@@ -52,8 +52,13 @@ router.get('/', async (req, res, next) => {
 
     if (search) {
       paramCount++;
-      whereConditions.push(`(p.name ILIKE $${paramCount} OR p.brand ILIKE $${paramCount} OR p.active_ingredients ILIKE $${paramCount})`);
-      queryParams.push(`%${search}%`);
+      const searchParam1 = paramCount;
+      paramCount++;
+      const searchParam2 = paramCount;
+      paramCount++;
+      const searchParam3 = paramCount;
+      whereConditions.push(`(p.name ILIKE $${searchParam1} OR p.brand ILIKE $${searchParam2} OR p.active_ingredients ILIKE $${searchParam3})`);
+      queryParams.push(`%${search}%`, `%${search}%`, `%${search}%`);
     }
 
     const whereClause = whereConditions.length > 0 ? `AND ${whereConditions.join(' AND ')}` : '';