diff --git a/server/scripts/sync-database/sync-database.ts b/server/scripts/sync-database/sync-database.ts
index ad5c428c3..c83e46d68 100644
--- a/server/scripts/sync-database/sync-database.ts
+++ b/server/scripts/sync-database/sync-database.ts
@@ -12,6 +12,7 @@ import { ICollection } from "monk";
 import os from "os";
 import path from "path";
 import { ChartDocument, FolderDocument, SongDocument, TableDocument } from "tachi-common";
+import { InitaliseFolderChartLookup } from "utils/folder";
 
 interface SyncInstructions {
 	pattern: RegExp;
@@ -147,6 +148,7 @@ const syncInstructions: SyncInstructions[] = [
 
 			if (bwriteOps.length) {
 				await collection.bulkWrite(bwriteOps);
+				await InitaliseFolderChartLookup();
 			}
 		},
 	},
diff --git a/server/src/main.ts b/server/src/main.ts
index 916ece53a..8ce69c246 100644
--- a/server/src/main.ts
+++ b/server/src/main.ts
@@ -8,6 +8,7 @@ import CreateLogCtx from "lib/logger/logger";
 import { Environment, ServerConfig, ServerTypeInfo } from "lib/setup/config";
 import path from "path";
 import server from "server/server";
+import { InitaliseFolderChartLookup } from "utils/folder";
 import { FormatVersion } from "./lib/constants/version";
 
 const logger = CreateLogCtx(__filename);
@@ -30,6 +31,13 @@ db.users.indexes().then((r) => {
 	}
 });
 
+db["folder-chart-lookup"].findOne().then((r) => {
+	// If there are no folder chart lookups, initialise them.
+	if (!r) {
+		InitaliseFolderChartLookup();
+	}
+});
+
 if (ServerConfig.ENABLE_SERVER_HTTPS) {
 	logger.warn(
 		"HTTPS Mode is enabled. This should not be used in production, and you should instead run behind a reverse proxy."