diff --git a/location/java/com/android/internal/location/GpsNetInitiatedHandler.java b/location/java/com/android/internal/location/GpsNetInitiatedHandler.java
index 866634e175137..e5fd0d342e9d1 100644
--- a/location/java/com/android/internal/location/GpsNetInitiatedHandler.java
+++ b/location/java/com/android/internal/location/GpsNetInitiatedHandler.java
@@ -118,8 +118,8 @@ public class GpsNetInitiatedHandler {
     static private boolean mIsHexInput = true;
 
     // End time of emergency call, and extension, if set
-    private long mCallEndElapsedRealtimeMillis = 0;
-    private long mEmergencyExtensionMillis = 0;
+    private volatile long mCallEndElapsedRealtimeMillis = 0;
+    private volatile long mEmergencyExtensionMillis = 0;
 
     public static class GpsNiNotification
     {
@@ -242,8 +242,9 @@ public class GpsNetInitiatedHandler {
      */
     public boolean getInEmergency() {
         boolean isInEmergencyExtension =
-                (SystemClock.elapsedRealtime() - mCallEndElapsedRealtimeMillis) <
-                        mEmergencyExtensionMillis;
+                (mCallEndElapsedRealtimeMillis > 0)
+                && ((SystemClock.elapsedRealtime() - mCallEndElapsedRealtimeMillis)
+                        < mEmergencyExtensionMillis);
         boolean isInEmergencyCallback = mTelephonyManager.getEmergencyCallbackMode();
         return mIsInEmergencyCall || isInEmergencyCallback || isInEmergencyExtension;
     }
diff --git a/services/core/java/com/android/server/location/GnssLocationProvider.java b/services/core/java/com/android/server/location/GnssLocationProvider.java
index 8e8477ac54873..9ab99753ed005 100644
--- a/services/core/java/com/android/server/location/GnssLocationProvider.java
+++ b/services/core/java/com/android/server/location/GnssLocationProvider.java
@@ -601,12 +601,11 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
         // while IO initialization and registration is delegated to our internal handler
         // this approach is just fine because events are posted to our handler anyway
         mGnssConfiguration = new GnssConfiguration(mContext);
-        sendMessage(INITIALIZE_HANDLER, 0, null);
-
-        // Create a GPS net-initiated handler.
+        // Create a GPS net-initiated handler (also needed by handleInitialize)
         mNIHandler = new GpsNetInitiatedHandler(context,
                 mNetInitiatedListener,
                 mSuplEsEnabled);
+        sendMessage(INITIALIZE_HANDLER, 0, null);
 
         mGnssStatusListenerHelper = new GnssStatusListenerHelper(mContext, mHandler) {
             @Override