diff --git a/src/main/java/appeng/util/item/AEItemStack.java b/src/main/java/appeng/util/item/AEItemStack.java
index e427cac7b..2ac25585f 100644
--- a/src/main/java/appeng/util/item/AEItemStack.java
+++ b/src/main/java/appeng/util/item/AEItemStack.java
@@ -125,7 +125,7 @@ public final class AEItemStack extends AEStack<IAEItemStack> implements IAEItemS
         buffer.writeBoolean(this.isCraftable());
         buffer.writeVarLong(this.getStackSize());
         buffer.writeVarLong(this.getCountRequestable());
-        buffer.writeItemStack(getDefinition());
+        buffer.writeItemStack(getDefinition(), false);
     }
 
     @Override
diff --git a/src/main/java/appeng/util/item/AESharedItemStack.java b/src/main/java/appeng/util/item/AESharedItemStack.java
index 9e5f2c8ee..0b587ad02 100644
--- a/src/main/java/appeng/util/item/AESharedItemStack.java
+++ b/src/main/java/appeng/util/item/AESharedItemStack.java
@@ -29,6 +29,7 @@ import net.minecraft.nbt.CompoundNBT;
 import appeng.api.config.FuzzyMode;
 
 final class AESharedItemStack implements Comparable<AESharedItemStack> {
+
     private final ItemStack itemStack;
     private final int itemId;
     private final int itemDamage;
@@ -97,7 +98,8 @@ final class AESharedItemStack implements Comparable<AESharedItemStack> {
             return damageValue;
         }
 
-        return 0;
+        return System.identityHashCode(this.getDefinition().getTag())
+                - System.identityHashCode(b.getDefinition().getTag());
     }
 
     private int makeHashCode() {
@@ -183,4 +185,5 @@ final class AESharedItemStack implements Comparable<AESharedItemStack> {
         }
 
     }
+
 }