diff --git a/systemd/aitbc-wallet.service b/systemd/aitbc-wallet.service
index 88277c13..22f1847d 100644
--- a/systemd/aitbc-wallet.service
+++ b/systemd/aitbc-wallet.service
@@ -24,5 +24,8 @@ StandardOutput=journal
 StandardError=journal
 SyslogIdentifier=aitbc-wallet-daemon
 
+# Allow database writes for SQLite WAL mode
+ProtectSystem=no
+
 [Install]
 WantedBy=multi-user.target