diff --git a/app/sql.js b/app/sql.js
index ff004629d..29a34535e 100644
--- a/app/sql.js
+++ b/app/sql.js
@@ -749,6 +749,10 @@ async function initialize({ configDir, key, messages }) {
 }
 
 async function close() {
+  if (!db) {
+    return;
+  }
+
   const dbRef = db;
   db = null;
   await dbRef.close();