diff --git a/smack-core/src/main/java/org/jivesoftware/smack/packet/AbstractStreamOpen.java b/smack-core/src/main/java/org/jivesoftware/smack/packet/AbstractStreamOpen.java
index 36f0dc760..1b6a3d1e0 100644
--- a/smack-core/src/main/java/org/jivesoftware/smack/packet/AbstractStreamOpen.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/packet/AbstractStreamOpen.java
@@ -1,6 +1,6 @@
 /**
  *
- * Copyright 2020 Aditya Borikar
+ * Copyright 2020 Florian Schmaus, Aditya Borikar
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -60,6 +60,10 @@ public abstract class AbstractStreamOpen implements Nonza {
      */
     protected final String contentNamespace;
 
+    public AbstractStreamOpen(CharSequence to, CharSequence from, String id, String lang) {
+        this(to, from, id, lang, StreamContentNamespace.client);
+    }
+
     public AbstractStreamOpen(CharSequence to, CharSequence from, String id, String lang, StreamContentNamespace ns) {
         this.to = StringUtils.maybeToString(to);
         this.from = StringUtils.maybeToString(from);