diff --git a/server/database.js b/server/database.js
index e52ae8bfc..8a088c941 100644
--- a/server/database.js
+++ b/server/database.js
@@ -434,6 +434,9 @@ 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();