diff --git a/src/main/java/com/gregtechceu/gtceu/data/recipe/misc/WoodMachineRecipes.java b/src/main/java/com/gregtechceu/gtceu/data/recipe/misc/WoodMachineRecipes.java
index 44ef34d4be..fbb0d0db3c 100644
--- a/src/main/java/com/gregtechceu/gtceu/data/recipe/misc/WoodMachineRecipes.java
+++ b/src/main/java/com/gregtechceu/gtceu/data/recipe/misc/WoodMachineRecipes.java
@@ -493,9 +493,9 @@ public static void registerWoodTypeRecipe(Consumer<FinishedRecipe> provider, @No
             String recipeName = hasSignRecipe ? entry.signRecipeName : name + "_sign";
             if (ConfigHolder.INSTANCE.recipes.hardWoodRecipes) {
                 VanillaRecipeHelper.addShapedRecipe(provider, recipeName + "_iron", new ItemStack(entry.sign),
-                        "LLL", "rPr", "sSd",
+                        "LLL", "RPR", "sSd",
                         'P', entry.planks,
-                        'r', new UnificationEntry(screw, Iron),
+                        'R', new UnificationEntry(screw, Iron),
                         'L', entry.slab,
                         'S', entry.getStick());
 
@@ -509,9 +509,9 @@ public static void registerWoodTypeRecipe(Consumer<FinishedRecipe> provider, @No
                         .duration(200).EUt(4).save(provider);
 
                 VanillaRecipeHelper.addShapedRecipe(provider, recipeName + "_steel", new ItemStack(entry.sign, 2),
-                        "LLL", "rPr", "sSd",
+                        "LLL", "RPR", "sSd",
                         'P', entry.planks,
-                        'r', new UnificationEntry(screw, Steel),
+                        'R', new UnificationEntry(screw, Steel),
                         'L', entry.slab,
                         'S', entry.getStick());
 
@@ -550,9 +550,9 @@ public static void registerWoodTypeRecipe(Consumer<FinishedRecipe> provider, @No
             String recipeName = hasTrapdoorRecipe ? entry.trapdoorRecipeName : name + "_trapdoor";
             if (ConfigHolder.INSTANCE.recipes.hardWoodRecipes) {
                 VanillaRecipeHelper.addShapedRecipe(provider, recipeName + "_iron", new ItemStack(entry.trapdoor),
-                        "bPS", "PdP", "SPb",
+                        "BPS", "PdP", "SPB",
                         'P', entry.planks,
-                        'b', new UnificationEntry(bolt, Iron),
+                        'B', new UnificationEntry(bolt, Iron),
                         'S', entry.getStick());
 
                 // plank -> trapdoor assembling
@@ -564,9 +564,9 @@ public static void registerWoodTypeRecipe(Consumer<FinishedRecipe> provider, @No
                         .duration(200).EUt(4).save(provider);
 
                 VanillaRecipeHelper.addShapedRecipe(provider, recipeName + "_steel", new ItemStack(entry.trapdoor, 2),
-                        "bPS", "PdP", "SPb",
+                        "BPS", "PdP", "SPB",
                         'P', entry.planks,
-                        'b', new UnificationEntry(bolt, Steel),
+                        'B', new UnificationEntry(bolt, Steel),
                         'S', entry.getStick());
 
                 // plank -> trapdoor assembling