diff --git a/src/components/pages/purchase/form/request/PurchaseRequestForm.tsx b/src/components/pages/purchase/form/request/PurchaseRequestForm.tsx
index abdeaf92..d039c1c9 100644
--- a/src/components/pages/purchase/form/request/PurchaseRequestForm.tsx
+++ b/src/components/pages/purchase/form/request/PurchaseRequestForm.tsx
@@ -712,9 +712,17 @@ const PurchaseRequestForm = ({
                           errorMessage={
                             isRepeaterInputError(idx, 'product_id').errorMessage
                           }
-                          isDisabled={type === 'detail'}
-                          isClearable={type !== 'detail'}
-                          placeholder='Pilih Produk'
+                          isDisabled={
+                            type === 'detail' || !formik.values.supplier_id
+                          }
+                          isClearable={
+                            type !== 'detail' && !!formik.values.supplier_id
+                          }
+                          placeholder={
+                            !formik.values.supplier_id
+                              ? 'Pilih Vendor terlebih dahulu'
+                              : 'Pilih Produk'
+                          }
                           className={{
                             wrapper: 'w-full min-w-52 md:min-w-72 lg:min-w-80',
                           }}
@@ -729,8 +737,17 @@ const PurchaseRequestForm = ({
                             handlePurchaseItemChange(idx, 'qty', e.target.value)
                           }
                           onBlur={formik.handleBlur}
-                          placeholder='Masukkan kuantitas'
-                          readOnly={type === 'detail'}
+                          placeholder={
+                            !formik.values.supplier_id
+                              ? 'Pilih Vendor terlebih dahulu'
+                              : 'Masukkan kuantitas'
+                          }
+                          readOnly={
+                            type === 'detail' || !formik.values.supplier_id
+                          }
+                          disabled={
+                            type === 'detail' || !formik.values.supplier_id
+                          }
                           allowNegative={false}
                           decimalScale={0}
                           isError={isRepeaterInputError(idx, 'qty').isError}