diff --git a/src/components/pages/purchase/form/request/PurchaseRequestForm.schema.ts b/src/components/pages/purchase/form/request/PurchaseRequestForm.schema.ts
index 110a3d7c..9b20ce0c 100644
--- a/src/components/pages/purchase/form/request/PurchaseRequestForm.schema.ts
+++ b/src/components/pages/purchase/form/request/PurchaseRequestForm.schema.ts
@@ -71,19 +71,10 @@ const PurchaseItemObjectSchema: Yup.ObjectSchema<PurchaseItemSchema> =
       .required('Produk wajib dipilih!')
       .min(1, 'Produk wajib dipilih!')
       .typeError('Produk wajib dipilih!'),
-    qty: Yup.mixed<string | number>()
+    qty: Yup.number()
       .required('Kuantitas wajib diisi!')
-      .test(
-        'is-valid-qty',
-        'Kuantitas harus berupa angka lebih dari 0!',
-        function (value) {
-          if (value === '' || value === null || value === undefined)
-            return false;
-          const numValue =
-            typeof value === 'string' ? parseFloat(value) : value;
-          return !isNaN(numValue) && numValue > 0;
-        }
-      ),
+      .min(1, 'Kuantitas tidak boleh kurang dari 1!')
+      .typeError('Kuantitas wajib diisi!'),
   });
 
 export const PurchaseRequestFormSchema: Yup.ObjectSchema<PurchaseRequestFormSchemaType> =