diff --git a/dashboard/src/features/users/dialogs/mutation/index.tsx b/dashboard/src/features/users/dialogs/mutation/index.tsx
index 7db48b2..3cc5bc0 100644
--- a/dashboard/src/features/users/dialogs/mutation/index.tsx
+++ b/dashboard/src/features/users/dialogs/mutation/index.tsx
@@ -52,7 +52,7 @@ export const UsersMutationDialog: FC<UsersMutationDialogProps> = ({
         status: 'active',
         note: '',
         on_hold_expire_duration: 0,
-        on_hold_timeout: null,
+        on_hold_timeout: undefined,
     }), []);
 
 
@@ -75,7 +75,7 @@ export const UsersMutationDialog: FC<UsersMutationDialogProps> = ({
         } else if (selectedTab === "unlimited") {
             form.setValue("expire", 0);
             form.setValue("on_hold_expire_duration", 0);
-            form.setValue("on_hold_timeout", null);
+            form.setValue("on_hold_timeout", undefined);
             form.clearErrors("expire");
             form.clearErrors("on_hold_expire_duration");
             form.clearErrors("on_hold_timeout");
diff --git a/dashboard/src/features/users/dialogs/mutation/schema.ts b/dashboard/src/features/users/dialogs/mutation/schema.ts
index 6658eca..bfca326 100644
--- a/dashboard/src/features/users/dialogs/mutation/schema.ts
+++ b/dashboard/src/features/users/dialogs/mutation/schema.ts
@@ -16,7 +16,7 @@ export const UserSchema = z.object({
     data_limit_reset_strategy: z.string().nullable(),
     status: z.string(),
     on_hold_expire_duration: z.number().nullable(),
-    on_hold_timeout: z.string().nullable(),
+    on_hold_timeout: z.string().nullable().optional(),
     services: z.array(z.number().or(z.string())).nonempty({ message: 'At least one service is required' })
         .transform((v) => v.map(Number)),
 });
diff --git a/dashboard/src/features/users/types/index.ts b/dashboard/src/features/users/types/index.ts
index 85c7ebb..d4adf7e 100644
--- a/dashboard/src/features/users/types/index.ts
+++ b/dashboard/src/features/users/types/index.ts
@@ -18,7 +18,7 @@ export type Status =
     | 'connected';
 
 export interface UserType {
-    on_hold_timeout: Date | string | null;
+    on_hold_timeout: Date | string | undefined;
     on_hold_expire_duration: number;
     expire: Date | string | null;
     data_limit: number | null;