diff --git a/app/dashboard/products/page.tsx b/app/dashboard/products/page.tsx
index c46432d..6fbec7c 100644
--- a/app/dashboard/products/page.tsx
+++ b/app/dashboard/products/page.tsx
@@ -115,6 +115,15 @@ export default function ProductsPage() {
         throw new Error("Cannot update product without an ID");
       }
 
+      // Prepare the product data with stock management fields
+      const productData = {
+        ...data,
+        stockTracking: data.stockTracking ?? true,
+        currentStock: data.currentStock ?? 0,
+        lowStockThreshold: data.lowStockThreshold ?? 10,
+        stockStatus: data.stockStatus ?? 'out_of_stock'
+      };
+
       // Save the product data
       const endpoint = editing ? `/products/${data._id}` : "/products";
       const method = editing ? "PUT" : "POST";
@@ -124,7 +133,7 @@ export default function ProductsPage() {
         headers: {
           "Content-Type": "application/json",
         },
-        body: JSON.stringify(data),
+        body: JSON.stringify(productData),
       });
 
       // If there's a new image to upload
diff --git a/lib/types/index.ts b/lib/types/index.ts
index 33c9631..88896cc 100644
--- a/lib/types/index.ts
+++ b/lib/types/index.ts
@@ -42,7 +42,7 @@ export interface Product {
   currentStock?: number
   lowStockThreshold?: number
   stockStatus?: 'in_stock' | 'low_stock' | 'out_of_stock'
-  unitType: string
+  unitType: 'pcs' | 'gr' | 'kg' | 'ml'
   category: string
   enabled?: boolean
   pricing: PricingTier[]