diff --git a/src/app/admin/events/[id]/event-prizes.tsx b/src/app/admin/events/[id]/event-prizes.tsx
index 937f2b23..49586407 100644
--- a/src/app/admin/events/[id]/event-prizes.tsx
+++ b/src/app/admin/events/[id]/event-prizes.tsx
@@ -17,6 +17,8 @@ import {
 } from "@/components/ui/select";
 import { useServerAction } from "@/hooks/use-server-action";
 
+type PrizeType = "badge" | "credits" | "pixels" | "points" | "item";
+
 interface Prize {
 	id: number;
 	position: number;
@@ -39,7 +41,7 @@ export function EventPrizesManager({ eventId, prizes }: Props) {
 	const [showForm, setShowForm] = useState(false);
 	const [form, setForm] = useState({
 		position: prizes.length + 1,
-		prizeType: "badge" as string,
+		prizeType: "badge" as PrizeType,
 		badgeCode: "",
 		credits: 0,
 		pixels: 0,
@@ -93,7 +95,9 @@ export function EventPrizesManager({ eventId, prizes }: Props) {
 								<Label>Type</Label>
 								<Select
 									value={form.prizeType}
-									onValueChange={(v) => setForm({ ...form, prizeType: v })}
+									onValueChange={(v) =>
+										setForm({ ...form, prizeType: v as PrizeType })
+									}
 								>
 									<SelectTrigger>
 										<SelectValue />
@@ -110,7 +114,7 @@ export function EventPrizesManager({ eventId, prizes }: Props) {
 							<div className="space-y-1">
 								<Label>Badge Code</Label>
 								<Input
-									value={form.badgeCode}
+									value={form.badgeCode ?? ""}
 									onChange={(e) =>
 										setForm({ ...form, badgeCode: e.target.value })
 									}