diff --git a/gradle.properties b/gradle.properties
index 0dd0cb91d..1df2ba08d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,7 +4,7 @@ aebuild=7
 aegroup=appeng
 aebasename=appliedenergistics2
 extended=extended_life
-extendedversion=v51
+extendedversion=v51b
 #########################################################
 # Versions                                              #
 #########################################################
diff --git a/src/main/java/appeng/crafting/MECraftingInventory.java b/src/main/java/appeng/crafting/MECraftingInventory.java
index b83b0c446..379937498 100644
--- a/src/main/java/appeng/crafting/MECraftingInventory.java
+++ b/src/main/java/appeng/crafting/MECraftingInventory.java
@@ -138,7 +138,7 @@ public class MECraftingInventory implements IMEInventory<IAEItemStack>
 		this.localCache = new ItemListIgnoreCrafting<>( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList() );
 		for( final IAEItemStack is : target.getStorageList() )
 		{
-			this.localCache.add( target.extractItems( is.copy().setStackSize( Long.MAX_VALUE ), Actionable.SIMULATE, src ) );
+			this.localCache.add( target.extractItems( is, Actionable.SIMULATE, src ) );
 		}
 
 		this.par = null;