diff --git a/paper-api/src/main/java/org/bukkit/Material.java b/paper-api/src/main/java/org/bukkit/Material.java
index 576d984c7..13d2cb740 100644
--- a/paper-api/src/main/java/org/bukkit/Material.java
+++ b/paper-api/src/main/java/org/bukkit/Material.java
@@ -227,8 +227,8 @@ public enum Material {
     STAINED_GLASS_PANE(160),
     LEAVES_2(161),
     LOG_2(162),
-    ACACIA_STAIRS(163),
-    DARK_OAK_STAIRS(164),
+    ACACIA_STAIRS(163, Stairs.class),
+    DARK_OAK_STAIRS(164, Stairs.class),
     HAY_BLOCK(170),
     CARPET(171),
     HARD_CLAY(172),