--- /dev/null
+--- awesome-3.1.2/client.c~ 2009-02-05 15:39:52.000000000 +0100
++++ awesome-3.1.2/client.c 2009-02-24 19:02:04.000000000 +0100
+@@ -1455,7 +1455,7 @@
+ xcb_get_wm_class_unchecked(globalconf.connection, (*c)->win),
+ &hint, NULL))
+ return 0;
+- lua_pushstring(L, hint.class);
++ lua_pushstring(L, hint.class_name);
+ xcb_get_wm_class_reply_wipe(&hint);
+ break;
+ case A_TK_INSTANCE:
+@@ -1463,7 +1463,7 @@
+ xcb_get_wm_class_unchecked(globalconf.connection, (*c)->win),
+ &hint, NULL))
+ return 0;
+- lua_pushstring(L, hint.name);
++ lua_pushstring(L, hint.instance_name);
+ xcb_get_wm_class_reply_wipe(&hint);
+ break;
+ case A_TK_ROLE: