diff -r 7fc063ef8da1 -r bdc5207ad4b7 pidgin/plugins/extplacement.c
--- a/pidgin/plugins/extplacement.c	Sun Nov 17 22:10:32 2013 +0530
+++ b/pidgin/plugins/extplacement.c	Sun Nov 17 23:05:41 2013 +0530
@@ -58,7 +58,7 @@
 				win = l->data;
 
 				if (purple_prefs_get_bool("/plugins/gtk/extplacement/placement_number_separate") &&
-					PURPLE_IS_IM_CONVERSATION(pidgin_conv_window_get_active_conversation(win)) != PURPLE_IS_IM_CONVERSATION(conv->active_conv))
+					G_TYPE_FROM_INSTANCE(pidgin_conv_window_get_active_conversation(win)) != G_TYPE_FROM_INSTANCE(conv->active_conv))
 					continue;
 
 				count = pidgin_conv_window_get_gtkconv_count(win);