diff --git a/src/ObjXMPP.h b/src/ObjXMPP.h
index 9076f9c..c53f1a4 100644
--- a/src/ObjXMPP.h
+++ b/src/ObjXMPP.h
@@ -41,3 +41,5 @@
 #import "XMPPDiscoEntity.h"
 #import "XMPPDiscoNode.h"
 #import "XMPPDiscoIdentity.h"
+
+#import "namespaces.h"
diff --git a/src/namespaces.h b/src/namespaces.h
index 9efaee2..c005db2 100644
--- a/src/namespaces.h
+++ b/src/namespaces.h
@@ -25,12 +25,13 @@
 #define XMPP_NS_CLIENT @"jabber:client"
 #define XMPP_NS_DISCO_INFO @"http://jabber.org/protocol/disco#info"
 #define XMPP_NS_DISCO_ITEMS @"http://jabber.org/protocol/disco#items"
+#define XMPP_NS_MUC @"http://jabber.org/protocol/muc"
 #define XMPP_NS_ROSTER @"jabber:iq:roster"
 #define XMPP_NS_ROSTERVER @"urn:xmpp:features:rosterver"
 #define XMPP_NS_SASL @"urn:ietf:params:xml:ns:xmpp-sasl"
 #define XMPP_NS_SESSION @"urn:ietf:params:xml:ns:xmpp-session"
 #define XMPP_NS_SM @"urn:xmpp:sm:3"
-#define XMPP_NS_STARTTLS @"urn:ietf:params:xml:ns:xmpp-tls"
 #define XMPP_NS_STANZAS @"urn:ietf:params:xml:ns:xmpp-stanzas"
+#define XMPP_NS_STARTTLS @"urn:ietf:params:xml:ns:xmpp-tls"
 #define XMPP_NS_STREAM @"http://etherx.jabber.org/streams"
 #define XMPP_NS_XMPP_STREAM @"urn:ietf:params:xml:ns:xmpp-streams"