@@ -24,11 +24,11 @@
 #import "XMPPStanza.h"
 
 /**
  * \brief A class describing a presence stanza.
  */
-@interface XMPPPresence: XMPPStanza
+@interface XMPPPresence: XMPPStanza <OFComparing>
 {
 /// \cond internal
 	OFString *status;
 	OFString *show;
 	OFNumber *priority;