diff --git a/files/awesome/rc.lua b/files/awesome/rc.lua
index 7e787c2..b180b36 100644
--- a/files/awesome/rc.lua
+++ b/files/awesome/rc.lua
@@ -892,7 +892,7 @@ ruled.client.connect_signal("request::rules", function()
     ruled.client.append_rule {
         id     = "respeitador de size hints",
         rule_any = {
-            class = {"Emacs", "St"},
+            class = {"Emacs", "st-256color"},
         },
         properties = { size_hints_honor = false }
     }