diff --git a/tests/test_stanza_message.py b/tests/test_stanza_message.py
index f06b025..e55971d 100644
--- a/tests/test_stanza_message.py
+++ b/tests/test_stanza_message.py
@@ -49,7 +49,7 @@ class TestMessageStanzas(SleekTest):
         msg['nick']['nick'] = 'A nickname!'
         self.check(msg, """
           <message>
-            <nick xmlns="http://jabber.org/nick/nick">A nickname!</nick>
+            <nick xmlns="http://jabber.org/protocol/nick">A nickname!</nick>
           </message>
         """)
 
diff --git a/tests/test_stanza_presence.py b/tests/test_stanza_presence.py
index 8d043d5..f9305a3 100644
--- a/tests/test_stanza_presence.py
+++ b/tests/test_stanza_presence.py
@@ -58,7 +58,7 @@ class TestPresenceStanzas(SleekTest):
         p['nick']['nick'] = 'A nickname!'
         self.check(p, """
           <presence>
-            <nick xmlns="http://jabber.org/nick/nick">A nickname!</nick>
+            <nick xmlns="http://jabber.org/protocol/nick">A nickname!</nick>
           </presence>
         """)