diff --git a/location/java/android/location/LocationManager.java b/location/java/android/location/LocationManager.java
index 6d10c2d692b12..b1968babe99fd 100644
--- a/location/java/android/location/LocationManager.java
+++ b/location/java/android/location/LocationManager.java
@@ -2380,10 +2380,12 @@ public class LocationManager {
     }
 
     /**
+     * Return the package that implements the {@link #NETWORK_PROVIDER} functionality.
+     *
      * @hide
      */
     @SystemApi
-    public String getNetworkProviderPackage() {
+    public @Nullable String getNetworkProviderPackage() {
         try {
             return mService.getNetworkProviderPackage();
         } catch (RemoteException e) {