diff --git a/scripts/client/pages/admin-product-create/index.php b/scripts/client/pages/admin-product-create/index.php
index a8aa7bfa0200259f805e1c1e65501cea9ee78162..6fdf8b306838ac7b79bfdcb89f1d268b952e2f8b 100644
--- a/scripts/client/pages/admin-product-create/index.php
+++ b/scripts/client/pages/admin-product-create/index.php
@@ -17,10 +17,10 @@
                 <textarea name="description" required></textarea>
                 
                 <label for="price">Price <span class="required-field">*</span></label>
-                <input type="number" name="price" required>
+                <input type="number" name="price" required min="0">
 
                 <label for="stock">Stock <span class="required-field">*</span></label>
-                <input type="number" name="stock" required>
+                <input type="number" name="stock" required min="0">
 
                 <!-- Dropdown Category -->
                 <label for="idCategory">Category <span class="required-field">*</span></label>
diff --git a/scripts/client/pages/admin-product-edit/index.php b/scripts/client/pages/admin-product-edit/index.php
index 53fcb4ce21129769d4c7149ca88e9ab29b1d56b2..39407dd1ba6cf11f645ca4025b1853f281fb39ac 100644
--- a/scripts/client/pages/admin-product-edit/index.php
+++ b/scripts/client/pages/admin-product-edit/index.php
@@ -17,10 +17,10 @@
                 <textarea name="description" required></textarea>
                 
                 <label for="price">Price <span class="required-field">*</span></label>
-                <input type="number" name="price" required>
+                <input type="number" name="price" required min="0">
 
                 <label for="stock">Stock <span class="required-field">*</span></label>
-                <input type="number" name="stock" required>
+                <input type="number" name="stock" required min="0">
 
                 <!-- Dropdown Category -->
                 <label for="idCategory">Category <span class="required-field">*</span></label>