diff --git a/jigsaw-pieces/stronghold/stairs/med-vertical-complete2.json b/jigsaw-pieces/stronghold/stairs/med-vertical-complete2.json
index 1230200d..204d053e 100644
--- a/jigsaw-pieces/stronghold/stairs/med-vertical-complete2.json
+++ b/jigsaw-pieces/stronghold/stairs/med-vertical-complete2.json
@@ -121,7 +121,7 @@
                 "replace": {
                     "palette": [
                         {
-                            "block": "minecraft:stone_bricks_slab",
+                            "block": "minecraft:stone_brick_slab",
                             "weight": 2
                         },
                         {
@@ -149,7 +149,7 @@
                 "replace": {
                     "palette": [
                         {
-                            "block": "minecraft:stone_bricks_slab",
+                            "block": "minecraft:stone_brick_slab",
                             "data": {"type": "top"},
                             "weight": 2
                         },