--- a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/Codec.java
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/Codec.java
@@ -468,16 +468,18 @@ import org.mozilla.gecko.gfx.GeckoSurfac
     }
 
     private void reportError(Error error, Exception e) {
         if (e != null) {
             e.printStackTrace();
         }
         try {
             mCallbacks.onError(error == Error.FATAL);
+        } catch (NullPointerException ne) {
+            // mCallbacks has been disposed by release().
         } catch (RemoteException re) {
             re.printStackTrace();
         }
     }
 
     @Override
     public synchronized void stop() throws RemoteException {
         if (DEBUG) { Log.d(LOGTAG, "stop " + this); }