diff --git a/strata@edu4rdshl.dev/extension.js b/strata@edu4rdshl.dev/extension.js
index 33fac70..33cd954 100644
--- a/strata@edu4rdshl.dev/extension.js
+++ b/strata@edu4rdshl.dev/extension.js
@@ -400,6 +400,7 @@ export default class StrataExtension extends Extension {
                 BUS_NAME,
                 OBJECT_PATH,
                 (proxy, error) => {
+                    if (this._shuttingDown || proxy !== this._proxy) return;
                     if (error) {
                         logError('D-Bus proxy error', error);
                         return;