diff --git a/src/android/Fingerprint.java b/src/android/Fingerprint.java
index f36c57fb..0f638591 100644
--- a/src/android/Fingerprint.java
+++ b/src/android/Fingerprint.java
@@ -157,7 +157,7 @@ public boolean execute(final String action,
                            CallbackContext callbackContext) throws JSONException {
         mCallbackContext = callbackContext;
         Log.v(TAG, "Fingerprint action: " + action);
-        JSONObject errorResponse = new JSONObject();
+        final JSONObject errorResponse = new JSONObject();
 
         if (android.os.Build.VERSION.SDK_INT < 23) {
             Log.e(TAG, "minimum SDK version 23 required");