diff --git a/web/server/db.js b/web/server/db.js
index c4f72dd..a3d4a3a 100644
--- a/web/server/db.js
+++ b/web/server/db.js
@@ -475,7 +475,9 @@ export function flushPendingSave() {
  */
 export function closeDb() {
   flushPendingSave();
-  db.close();
+  if (db.open) {
+    db.close();
+  }
 }
 
 export default db;