diff --git a/gradle.properties b/gradle.properties
index 547e236b8..6318cbf04 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,7 +4,7 @@ aebuild=7
 aegroup=appeng
 aebasename=appliedenergistics2
 trousers=trousers_edition
-trousersversion=v49s
+trousersversion=v49t
 #########################################################
 # Versions                                              #
 #########################################################
diff --git a/src/api/java/appeng/api/storage/data/IAEItemStack.java b/src/api/java/appeng/api/storage/data/IAEItemStack.java
index eb3dc1595..5e115f5e1 100644
--- a/src/api/java/appeng/api/storage/data/IAEItemStack.java
+++ b/src/api/java/appeng/api/storage/data/IAEItemStack.java
@@ -121,4 +121,8 @@ public interface IAEItemStack extends IAEStack<IAEItemStack>
 	 */
 	boolean equals(ItemStack is);
 
+	ItemStack getCachedItemStack();
+
+	void setCachedItemStack(ItemStack is);
+
 }
\ No newline at end of file
diff --git a/src/main/java/appeng/parts/misc/ItemHandlerAdapter.java b/src/main/java/appeng/parts/misc/ItemHandlerAdapter.java
index ce8b1c336..034cde34e 100644
--- a/src/main/java/appeng/parts/misc/ItemHandlerAdapter.java
+++ b/src/main/java/appeng/parts/misc/ItemHandlerAdapter.java
@@ -62,8 +62,6 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 	private StorageFilter mode;
 	private AccessRestriction access;
 
-	private ItemStack stackCache = null;
-
 	ItemHandlerAdapter( IItemHandler itemHandler, IGridProxyable proxy )
 	{
 		this.itemHandler = itemHandler;
@@ -82,8 +80,8 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 	public IAEItemStack injectItems( IAEItemStack iox, Actionable type, IActionSource src )
 	{
 		// Try to reuse the cached stack
-		@Nullable ItemStack currentCached = stackCache;
-		stackCache = null;
+		@Nullable ItemStack currentCached = iox.getCachedItemStack();
+		iox.setCachedItemStack(null);
 
 		ItemStack orgInput;
 		int slotCount = this.itemHandler.getSlots();
@@ -108,9 +106,9 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 		}
 
 		// Store the stack in the cache for next time.
-		if( !remaining.isEmpty() && remaining != orgInput )
+		if( !remaining.isEmpty() )
 		{
-			stackCache = remaining;
+			iox.setCachedItemStack( remaining );
 		}
 
 		// At this point, we still have some items left...
diff --git a/src/main/java/appeng/util/item/AEItemStack.java b/src/main/java/appeng/util/item/AEItemStack.java
index b6a2e4e2a..bef99da32 100644
--- a/src/main/java/appeng/util/item/AEItemStack.java
+++ b/src/main/java/appeng/util/item/AEItemStack.java
@@ -53,6 +53,7 @@ public final class AEItemStack extends AEStack<IAEItemStack> implements IAEItemS
     private String displayName;
     @SideOnly(Side.CLIENT)
     private List<String> tooltip;
+    private ItemStack cachedItemStack;
 
     private AEItemStack(final AEItemStack is) {
         this.setStackSize(is.getStackSize());
@@ -250,6 +251,18 @@ public final class AEItemStack extends AEStack<IAEItemStack> implements IAEItemS
         return this.isSameType(is);
     }
 
+    @Override
+    public ItemStack getCachedItemStack()
+    {
+        return this.cachedItemStack;
+    }
+
+    @Override
+    public void setCachedItemStack( ItemStack is )
+    {
+        this.cachedItemStack = is;
+    }
+
     @Override
     public String toString() {
         return this.getStackSize() + "x" + this.getDefinition().getItem().getRegistryName();