diff --git a/common/forge_at.cfg b/common/forge_at.cfg
index b550d6647b..8f2badec17 100644
--- a/common/forge_at.cfg
+++ b/common/forge_at.cfg
@@ -103,4 +103,6 @@ public+f wk.c #FD:ShapedRecipes/field_77577_c #recipeHeight
 # ShapelessRecipes
 public wl.b #FD:ShapelessRecipes/field_77579_b #recipeItems
 # GuiContainer
-protected auy.a(Lsq;)V #MD:GuiContainer/func_74192_a #drawSlotInventory
\ No newline at end of file
+protected auy.a(Lsq;)V #MD:GuiContainer/func_74192_a #drawSlotInventory
+# BlockButton
+protected aiy.o(Lxv;III)V #MD:BlockButton/func_82535_o #checkActivation
\ No newline at end of file