diff -r 27891bd13ca3 -r 0c6fd72ffeb3 pidgin/gtkconv.c
--- a/pidgin/gtkconv.c	Sun Oct 09 03:40:34 2011 +0000
+++ b/pidgin/gtkconv.c	Sun Oct 09 03:56:58 2011 +0000
@@ -10024,9 +10024,9 @@
 		gtk_notebook_set_tab_label(GTK_NOTEBOOK(win->notebook), gtkconv->tab_cont, ebox);
 	}
 
-	gtk_notebook_set_tab_label_packing(GTK_NOTEBOOK(win->notebook), gtkconv->tab_cont,
-					   !tabs_side && !angle,
-					   TRUE, GTK_PACK_START);
+	gtk_container_child_set(GTK_CONTAINER(win->notebook), gtkconv->tab_cont,
+	                        "tab-expand", !tabs_side && !angle,
+	                        "tab-fill", TRUE, NULL);
 
 	if (pidgin_conv_window_get_gtkconv_count(win) == 1)
 		gtk_notebook_set_show_tabs(GTK_NOTEBOOK(win->notebook),