diff --git a/src/server/Archive.ts b/src/server/Archive.ts
index 4361014fe..b540f9c8d 100644
--- a/src/server/Archive.ts
+++ b/src/server/Archive.ts
@@ -7,6 +7,7 @@ import {
   ID,
   PartialGameRecord,
 } from "../core/Schemas";
+import { replacer } from "../core/Util";
 import { logger } from "./Logger";
 
 const config = getServerConfigFromServer();
@@ -25,7 +26,7 @@ export async function archive(gameRecord: GameRecord) {
     const url = `${config.jwtIssuer()}/game/${gameRecord.info.gameID}`;
     const response = await fetch(url, {
       method: "POST",
-      body: JSON.stringify(gameRecord),
+      body: JSON.stringify(gameRecord, replacer),
       headers: {
         "Content-Type": "application/json",
         "x-api-key": config.apiKey(),
diff --git a/src/server/Worker.ts b/src/server/Worker.ts
index 54bf28cd3..8187ccbf2 100644
--- a/src/server/Worker.ts
+++ b/src/server/Worker.ts
@@ -16,6 +16,7 @@ import {
   PartialGameRecordSchema,
   ServerErrorMessage,
 } from "../core/Schemas";
+import { replacer } from "../core/Util";
 import { CreateGameInputSchema, GameInputSchema } from "../core/WorkerSchemas";
 import { archive, finalizeGameRecord, readGameRecord } from "./Archive";
 import { Client } from "./Client";
@@ -340,7 +341,9 @@ export async function startWorker() {
           // Ignore ping
           return;
         } else if (clientMsg.type !== "join") {
-          log.warn(`Invalid message before join: ${JSON.stringify(clientMsg)}`);
+          log.warn(
+            `Invalid message before join: ${JSON.stringify(clientMsg, replacer)}`,
+          );
           return;
         }