diff --git a/services/java/com/android/server/NotificationManagerService.java b/services/java/com/android/server/NotificationManagerService.java
index 663a031..52ba665 100755
--- a/services/java/com/android/server/NotificationManagerService.java
+++ b/services/java/com/android/server/NotificationManagerService.java
@@ -1046,7 +1046,7 @@
                 final boolean useDefaultVibrate =
                     (notification.defaults & Notification.DEFAULT_VIBRATE) != 0;
                 if ((useDefaultVibrate || notification.vibrate != null)
-                        && audioManager.shouldVibrate(AudioManager.VIBRATE_TYPE_NOTIFICATION)) {
+                        && !(audioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT)) {
                     mVibrateNotification = r;
 
                     mVibrator.vibrate(useDefaultVibrate ? DEFAULT_VIBRATE_PATTERN