diff --git a/ReactAndroid/src/main/java/com/facebook/react/packagerconnection/ReconnectingWebSocket.java b/ReactAndroid/src/main/java/com/facebook/react/packagerconnection/ReconnectingWebSocket.java
index 99cb1148231..abbd9256fa7 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/packagerconnection/ReconnectingWebSocket.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/packagerconnection/ReconnectingWebSocket.java
@@ -48,7 +48,9 @@ public final class ReconnectingWebSocket extends WebSocketListener {
   private @Nullable ConnectionCallback mConnectionCallback;
 
   public ReconnectingWebSocket(
-      String url, MessageCallback messageCallback, ConnectionCallback connectionCallback) {
+      String url,
+      @Nullable MessageCallback messageCallback,
+      @Nullable ConnectionCallback connectionCallback) {
     super();
     mUrl = url;
     mMessageCallback = messageCallback;