diff --git a/src/lib/admin-actions.ts b/src/lib/admin-actions.ts
index 9752a87..339df4c 100644
--- a/src/lib/admin-actions.ts
+++ b/src/lib/admin-actions.ts
@@ -3,6 +3,7 @@
 import { randomBytes } from "node:crypto";
 import { revalidatePath } from "next/cache";
 import { redirect } from "next/navigation";
+import { Prisma } from "@prisma/client";
 import { prisma } from "./prisma";
 import { requireCurrentUser, userIsAdmin } from "./session";
 
@@ -86,7 +87,7 @@ export async function revokeInvite(formData: FormData) {
   revalidateAdmin();
 }
 
-async function audit(actorId: string, action: string, metadata: Record<string, unknown>) {
+async function audit(actorId: string, action: string, metadata: Prisma.InputJsonObject) {
   await prisma.auditEvent.create({ data: { actorId, action, metadata } });
 }
 
diff --git a/src/lib/room-actions.ts b/src/lib/room-actions.ts
index 233e437..e6b6ab8 100644
--- a/src/lib/room-actions.ts
+++ b/src/lib/room-actions.ts
@@ -1,6 +1,6 @@
 "use server";
 
-import { RoomVisibility } from "@prisma/client";
+import { Prisma, RoomVisibility } from "@prisma/client";
 import { revalidatePath } from "next/cache";
 import { redirect } from "next/navigation";
 import { prisma } from "./prisma";
@@ -98,7 +98,7 @@ export async function resetPersonalRoom(formData: FormData) {
   await prisma.$transaction([
     prisma.mediaSource.deleteMany({ where: { roomId: room.id } }),
     prisma.roomMessage.deleteMany({ where: { roomId: room.id } }),
-    prisma.room.update({ where: { id: room.id }, data: { currentState: null } }),
+    prisma.room.update({ where: { id: room.id }, data: { currentState: Prisma.JsonNull } }),
     prisma.auditEvent.create({
       data: {
         actorId: user.id,