diff --git a/server/database.js b/server/database.js
index 8576bded..93f734cb 100644
--- a/server/database.js
+++ b/server/database.js
@@ -417,6 +417,9 @@ class Database {
 
         log.info("db", "Closing the database");
 
+        // Flush WAL to main database
+        await R.exec("PRAGMA wal_checkpoint(TRUNCATE)");
+
         while (true) {
             Database.noReject = true;
             await R.close();