diff --git a/src/components/collections/payment-plans-panel.tsx b/src/components/collections/payment-plans-panel.tsx
index 773d33c..33bff81 100644
--- a/src/components/collections/payment-plans-panel.tsx
+++ b/src/components/collections/payment-plans-panel.tsx
@@ -281,6 +281,7 @@ export function PaymentPlansPanel({
           open={createOpen}
           onOpenChange={setCreateOpen}
           collectionId={collectionId}
+          caseId={caseId ?? null}
           userId={user?.id}
           onSaved={load}
         />
@@ -302,12 +303,14 @@ function CreatePlanDialog({
   open,
   onOpenChange,
   collectionId,
+  caseId,
   userId,
   onSaved,
 }: {
   open: boolean;
   onOpenChange: (v: boolean) => void;
   collectionId: string;
+  caseId?: string | null;
   userId?: string;
   onSaved: () => void;
 }) {
@@ -345,6 +348,7 @@ function CreatePlanDialog({
       .from("payment_plans")
       .insert({
         collection_id: collectionId,
+        case_id: caseId ?? null,
         name: name || null,
         total_amount: t,
         down_payment: parseFloat(down) || 0,