diff --git a/src/main/java/appeng/helpers/CraftingPatternDetails.java b/src/main/java/appeng/helpers/CraftingPatternDetails.java
index b92dcad17..b02de8b9e 100644
--- a/src/main/java/appeng/helpers/CraftingPatternDetails.java
+++ b/src/main/java/appeng/helpers/CraftingPatternDetails.java
@@ -109,7 +109,7 @@ public class CraftingPatternDetails implements ICraftingPatternDetails, Comparab
             this.standardRecipe = null;
             this.correctOutput = ItemStack.EMPTY;
 
-            for (int x = 0; x < 3; x++) {
+            for (int x = 0; x < products.size(); x++) {
                 final IAEItemStack ais = products.get(x);
                 final ItemStack gs = ais.createItemStack();
 
diff --git a/src/main/java/appeng/items/misc/EncodedPatternItem.java b/src/main/java/appeng/items/misc/EncodedPatternItem.java
index 9009a35ff..b14916f66 100644
--- a/src/main/java/appeng/items/misc/EncodedPatternItem.java
+++ b/src/main/java/appeng/items/misc/EncodedPatternItem.java
@@ -226,7 +226,9 @@ public class EncodedPatternItem extends AEBaseItem {
         final CompoundNBT tag = itemStack.getTag();
         Preconditions.checkArgument(tag != null, "itemStack missing a NBT tag");
 
-        return new ResourceLocation(tag.getString(NBT_RECIPE_ID));
+        return tag.contains(NBT_RECIPE_ID, Constants.NBT.TAG_STRING)
+                ? new ResourceLocation(tag.getString(NBT_RECIPE_ID))
+                : null;
     }
 
     public List<IAEItemStack> getIngredients(ItemStack itemStack) {