Index: bp-core/bp-core-classes.php
===================================================================
--- bp-core/bp-core-classes.php	(revision 3265)
+++ bp-core/bp-core-classes.php	(working copy)
@@ -583,7 +583,7 @@
 			return false;
 
 		// No button for guests if must be logged in
-		if ( true == $this->must_be_logged_in && !is_user_logged_in )
+		if ( true == $this->must_be_logged_in && !is_user_logged_in() )
 			return false;
 
 		// No button if viewing your own profile