diff --git a/src/components/pages/marketing/MarketingFilter.tsx b/src/components/pages/marketing/MarketingFilter.tsx
index 3f56854e..624c573c 100644
--- a/src/components/pages/marketing/MarketingFilter.tsx
+++ b/src/components/pages/marketing/MarketingFilter.tsx
@@ -10,6 +10,10 @@ import SelectInput, {
   useSelect,
 } from '@/components/input/SelectInput';
 import { MARKETING_APPROVAL_LINE } from '@/config/approval-line';
+import {
+  MarketingFilterFormValues,
+  MarketingFilterSchema,
+} from '@/components/pages/marketing/filter/MarketingFilter';
 import { MarketingFilter } from '@/types/api/marketing/marketing';
 import SelectInputCheckbox from '@/components/input/SelectInputCheckbox';
 import { MarketingApi } from '@/services/api/marketing/marketing';
@@ -70,8 +74,8 @@ const MarketingFilterModal = ({
     limit: 'limit',
   });
 
-  const uniqueCustomersOptions = useMemo(() => {
-    const seen = new Set();
+  const salesCustomerOptions = useMemo(() => {
+    const seen = new Set<string | number>();
     return customersOptions.filter((customer) => {
       if (seen.has(customer.value)) return false;
       seen.add(customer.value);
@@ -87,23 +91,19 @@ const MarketingFilterModal = ({
     { value: 'DITOLAK', label: 'Ditolak' },
   ];
 
-  const formik = useFormik<{
-    product_ids: OptionType[];
-    status: OptionType | null;
-    customer_id: OptionType | null;
-  }>({
+  const formik = useFormik<MarketingFilterFormValues>({
     initialValues: {
       product_ids: [],
       status: null,
-      customer_id: null,
+      customer: null,
     },
+    validationSchema: MarketingFilterSchema,
 
     onSubmit: async (values) => {
-      const formattedValues = {
-        ...values,
+      const formattedValues: MarketingFilter = {
         product_ids: values.product_ids.map((item) => Number(item.value)),
         status: values.status?.value.toString() || '',
-        customer_id: Number(values.customer_id?.value),
+        customer_id: Number(values.customer?.value),
       };
 
       onSubmit?.(formattedValues);
@@ -121,7 +121,10 @@ const MarketingFilterModal = ({
   };
 
   const customerChangeHandler = (val: OptionType | OptionType[] | null) => {
-    formik.setFieldValue('customer_id', val as OptionType);
+    formik.setFieldValue(
+      'customer',
+      !Array.isArray(val) ? (val as OptionType<number> | null) : null
+    );
   };
 
   const statusChangeHandler = (val: OptionType | OptionType[] | null) => {
@@ -187,9 +190,9 @@ const MarketingFilterModal = ({
             label='Customer'
             isClearable
             placeholder='Pilih customer'
-            options={uniqueCustomersOptions}
+            options={salesCustomerOptions}
             isLoading={isLoadingCustomersOptions}
-            value={formik.values.customer_id}
+            value={formik.values.customer}
             onChange={customerChangeHandler}
             onInputChange={setCustomersInputValue}
             onMenuScrollToBottom={loadMoreCustomers}
diff --git a/src/components/pages/marketing/filter/MarketingFilter.ts b/src/components/pages/marketing/filter/MarketingFilter.ts
new file mode 100644
index 00000000..4ff9a792
--- /dev/null
+++ b/src/components/pages/marketing/filter/MarketingFilter.ts
@@ -0,0 +1,14 @@
+import { array, mixed, object } from 'yup';
+import { OptionType } from '@/components/input/SelectInput';
+
+export const MarketingFilterSchema = object({
+  product_ids: array().of(mixed<OptionType<number>>().required()).required(),
+  status: mixed<OptionType<string>>().nullable(),
+  customer: mixed<OptionType<number>>().nullable(),
+});
+
+export type MarketingFilterFormValues = {
+  product_ids: OptionType<number>[];
+  status: OptionType<string> | null;
+  customer: OptionType<number> | null;
+};