diff -r 918f28ea0e78 -r 518830707fc8 libpurple/conversation.c
--- a/libpurple/conversation.c	Sun Jun 30 16:01:09 2013 +0530
+++ b/libpurple/conversation.c	Sun Jun 30 19:07:38 2013 +0530
@@ -1080,7 +1080,7 @@
 
 		type = g_type_register_static(G_TYPE_OBJECT,
 				"PurpleConversation",
-				&info, 0);
+				&info, G_TYPE_FLAG_ABSTRACT);
 	}
 
 	return type;