diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index e2ecda3..63ce7eb 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -1143,3 +1143,13 @@
        purpose: PURPOSE_BUGFIX
    }
 }
+
+flag {
+  namespace: "systemui"
+  name: "qs_register_setting_observer_on_bg_thread"
+  description: "Registers Quick Settings content providers on background thread"
+  bug: "351766769"
+  metadata {
+    purpose: PURPOSE_BUGFIX
+  }
+}