diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
index 58e3a57615d65..22af69927f5b6 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
@@ -771,6 +771,8 @@ class QuickSettings {
             });
 
             mBrightnessDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
+            mBrightnessDialog.getWindow().addFlags(
+                    WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS);
             mBrightnessDialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
         }
         if (!mBrightnessDialog.isShowing()) {