diff --git a/stairsplus/init.lua b/stairsplus/init.lua
index d4b5a6c..0a2c333 100644
--- a/stairsplus/init.lua
+++ b/stairsplus/init.lua
@@ -921,7 +921,7 @@ function stairsplus.register_slab(modname, subname, recipeitem, groups, images,
 		description = description,
 		drawtype = "nodebox",
 		tiles = images,
-		drop = modname .. ":slab_" .. drop .. "_wall",
+		drop = modname .. ":slab_" .. drop .. "_quarter_wall",
 		paramtype = "light",
 		paramtype2 = "facedir",
 		sunlight_propagates = true,
@@ -942,7 +942,7 @@ function stairsplus.register_slab(modname, subname, recipeitem, groups, images,
 		description = description,
 		drawtype = "nodebox",
 		tiles = images,
-		drop = modname .. ":slab_" .. drop .. "_wall",
+		drop = modname .. ":slab_" .. drop .. "_three_quarter_wall",
 		paramtype = "light",
 		paramtype2 = "facedir",
 		sunlight_propagates = true,