diff --git a/src/com/android/settings/dashboard/conditional/RingerMutedCondition.java b/src/com/android/settings/dashboard/conditional/RingerMutedCondition.java
index bdd92e2d239..bf5bc3618d4 100644
--- a/src/com/android/settings/dashboard/conditional/RingerMutedCondition.java
+++ b/src/com/android/settings/dashboard/conditional/RingerMutedCondition.java
@@ -16,6 +16,8 @@
 
 package com.android.settings.dashboard.conditional;
 
+import static android.content.Context.NOTIFICATION_SERVICE;
+
 import android.app.NotificationManager;
 import android.graphics.drawable.Drawable;
 import android.media.AudioManager;
@@ -30,14 +32,19 @@ public class RingerMutedCondition extends AbnormalRingerConditionBase {
 
     RingerMutedCondition(ConditionManager manager) {
         super(manager);
-        mNotificationManager = mManager.getContext().getSystemService(NotificationManager.class);
+        mNotificationManager =
+                (NotificationManager) mManager.getContext().getSystemService(NOTIFICATION_SERVICE);
     }
 
     @Override
     public void refreshState() {
-        int zen = mNotificationManager.getZenMode();
-        boolean zenModeEnabled = zen != Settings.Global.ZEN_MODE_OFF;
-        boolean isSilent = mAudioManager.getRingerModeInternal() == AudioManager.RINGER_MODE_SILENT;
+        int zen = Settings.Global.ZEN_MODE_OFF;
+        if (mNotificationManager != null) {
+            zen = mNotificationManager.getZenMode();
+        }
+        final boolean zenModeEnabled = zen != Settings.Global.ZEN_MODE_OFF;
+        final boolean isSilent =
+                mAudioManager.getRingerModeInternal() == AudioManager.RINGER_MODE_SILENT;
         setActive(isSilent && !zenModeEnabled);
     }
 
diff --git a/tests/robotests/src/com/android/settings/dashboard/conditional/RingerMutedConditionTest.java b/tests/robotests/src/com/android/settings/dashboard/conditional/RingerMutedConditionTest.java
index 13cb1c23408..66ef5a039b3 100644
--- a/tests/robotests/src/com/android/settings/dashboard/conditional/RingerMutedConditionTest.java
+++ b/tests/robotests/src/com/android/settings/dashboard/conditional/RingerMutedConditionTest.java
@@ -22,7 +22,6 @@ import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.app.NotificationManager;
 import android.content.Context;
 import android.media.AudioManager;
 import android.provider.Settings;
@@ -59,7 +58,7 @@ public class RingerMutedConditionTest {
         mContext = RuntimeEnvironment.application;
         mAudioManager = Shadow.extract(mContext.getSystemService(Context.AUDIO_SERVICE));
         mNotificationManager = Shadow.extract(
-                mContext.getSystemService(NotificationManager.class));
+                mContext.getSystemService(Context.NOTIFICATION_SERVICE));
         when(mConditionManager.getContext()).thenReturn(mContext);
         mCondition = spy(new RingerMutedCondition(mConditionManager));
     }