diff --git a/server/src/scripts/migrations/migrate-ugpt-rivals.ts b/server/src/scripts/migrations/migrate-ugpt-rivals.ts
new file mode 100644
index 000000000..dd28f9b05
--- /dev/null
+++ b/server/src/scripts/migrations/migrate-ugpt-rivals.ts
@@ -0,0 +1,15 @@
+import db from "external/mongo/db";
+
+if (require.main === module) {
+	(async () => {
+		// give everyone empty rivals.
+		await db["game-settings"].update(
+			{},
+			{
+				$set: {
+					rivals: [],
+				},
+			}
+		);
+	})();
+}