diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
index 92d013eeda8e2..f1ccde771c545 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
@@ -294,7 +294,9 @@ public class NetworkControllerImpl extends BroadcastReceiver
             }
         };
 
-        mWifiManager.registerScanResultsCallback(mReceiverHandler::post, scanResultsCallback);
+        if (mWifiManager != null) {
+            mWifiManager.registerScanResultsCallback(mReceiverHandler::post, scanResultsCallback);
+        }
 
         ConnectivityManager.NetworkCallback callback = new ConnectivityManager.NetworkCallback(){
             private Network mLastNetwork;