diff --git a/src/main.ts b/src/main.ts
index 772c91d..0685254 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -59,7 +59,7 @@ async function initApp() {
 	];
 	
 	// Init plugin routes
-	if (db.metadata.plugins.indexOf('austax') >= 0) {
+	if (dbFilename !== null && db.metadata.plugins.indexOf('austax') >= 0) {
 		routes.push(...austax.getRoutes());
 	}