diff --git a/src/main/java/com/simibubi/create/compat/jei/category/MechanicalCraftingCategory.java b/src/main/java/com/simibubi/create/compat/jei/category/MechanicalCraftingCategory.java
index 33e0c5239..334c065dd 100644
--- a/src/main/java/com/simibubi/create/compat/jei/category/MechanicalCraftingCategory.java
+++ b/src/main/java/com/simibubi/create/compat/jei/category/MechanicalCraftingCategory.java
@@ -99,16 +99,21 @@ public class MechanicalCraftingCategory extends CreateRecipeCategory<CraftingRec
 		matrixStack.translate(getXPadding(recipe), getYPadding(recipe), 0);
 
 		for (int row = 0; row < getHeight(recipe); row++)
-			for (int col = 0; col < getWidth(recipe); col++)
-				if (!recipe.getIngredients()
-					.get(row * getWidth(recipe) + col)
-					.isEmpty()) {
-					matrixStack.pushPose();
-					matrixStack.translate(col * 19 * scale, row * 19 * scale, 0);
-					matrixStack.scale(scale, scale, scale);
-					AllGuiTextures.JEI_SLOT.render(matrixStack, 0, 0);
-					matrixStack.popPose();
-				}
+			for (int col = 0; col < getWidth(recipe); col++) {
+				int pIndex = row * getWidth(recipe) + col;
+				if (pIndex >= recipe.getIngredients()
+					.size())
+					break;
+				if (recipe.getIngredients()
+					.get(pIndex)
+					.isEmpty())
+					continue;
+				matrixStack.pushPose();
+				matrixStack.translate(col * 19 * scale, row * 19 * scale, 0);
+				matrixStack.scale(scale, scale, scale);
+				AllGuiTextures.JEI_SLOT.render(matrixStack, 0, 0);
+				matrixStack.popPose();
+			}
 
 		matrixStack.popPose();