diff --git a/packages/SystemUI/src/com/android/systemui/assist/PhoneStateMonitor.java b/packages/SystemUI/src/com/android/systemui/assist/PhoneStateMonitor.java
index 8c070835f69ed..ea08c335b31d4 100644
--- a/packages/SystemUI/src/com/android/systemui/assist/PhoneStateMonitor.java
+++ b/packages/SystemUI/src/com/android/systemui/assist/PhoneStateMonitor.java
@@ -136,7 +136,11 @@ final class PhoneStateMonitor {
     }
 
     private boolean isLauncherShowing(ActivityManager.RunningTaskInfo runningTaskInfo) {
-        return runningTaskInfo.topActivity.equals(mDefaultHome);
+        if (runningTaskInfo == null) {
+            return false;
+        } else {
+            return runningTaskInfo.topActivity.equals(mDefaultHome);
+        }
     }
 
     private boolean isAppImmersive() {