diff --git a/src/main/java/appeng/helpers/DualityInterface.java b/src/main/java/appeng/helpers/DualityInterface.java
index d3650c0c3..2af9efda9 100644
--- a/src/main/java/appeng/helpers/DualityInterface.java
+++ b/src/main/java/appeng/helpers/DualityInterface.java
@@ -115,6 +115,7 @@ import appeng.util.item.AEItemStack;
 
 public class DualityInterface implements IGridTickable, IStorageMonitorable, IInventoryDestination, IAEAppEngInventory, IConfigManagerHost, ICraftingProvider, IUpgradeableHost
 {
+	private int failedCraftTriesSlot[] = {0,0,0,0,0,0,0,0,0};
 
 	public static final int NUMBER_OF_STORAGE_SLOTS = 9;
 	public static final int NUMBER_OF_CONFIG_SLOTS = 9;
@@ -696,9 +697,9 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 						throw new IllegalStateException( "bad attempt at managing inventory. ( addItems )" );
 					}
 				}
-				else
+				else 
 				{
-					changed = this.handleCrafting( x, adaptor, itemStack ) || changed;
+					changed = this.handleCrafting(x, adaptor, itemStack) || changed;
 				}
 			}
 			else if( itemStack.getStackSize() < 0 )
@@ -766,8 +767,16 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		{
 			if( this.getInstalledUpgrades( Upgrades.CRAFTING ) > 0 && itemStack != null )
 			{
-				return this.craftingTracker.handleCrafting( x, itemStack.getStackSize(), itemStack, d, this.iHost.getTileEntity().getWorld(),
+				if (this.failedCraftTriesSlot[x] <= 0) {
+
+					boolean crafted = this.craftingTracker.handleCrafting( x, itemStack.getStackSize(), itemStack, d, this.iHost.getTileEntity().getWorld(),
 						this.gridProxy.getGrid(), this.gridProxy.getCrafting(), this.mySource );
+
+					if (crafted) this.failedCraftTriesSlot[x] = 0;
+					else this.failedCraftTriesSlot[x] += 20;
+				}
+				this.failedCraftTriesSlot[x] -= 1;
+
 			}
 		}
 		catch( final GridAccessException e )
diff --git a/src/main/java/appeng/helpers/MultiCraftingTracker.java b/src/main/java/appeng/helpers/MultiCraftingTracker.java
index bf75da380..464ef0716 100644
--- a/src/main/java/appeng/helpers/MultiCraftingTracker.java
+++ b/src/main/java/appeng/helpers/MultiCraftingTracker.java
@@ -46,7 +46,6 @@ public class MultiCraftingTracker
 
 	private Future<ICraftingJob>[] jobs = null;
 	private ICraftingLink[] links = null;
-	private int failedCraftTriesSlot[] = {0,0,0,0,0,0,0,0,0};
 
 	public MultiCraftingTracker( final ICraftingRequester o, final int size )
 	{
@@ -131,14 +130,10 @@ public class MultiCraftingTracker
 				if( this.getLink( x ) == null )
 				{
 					final IAEItemStack aisC = ais.copy();
-					if (this.failedCraftTriesSlot[x] <= 0) {
-						aisC.setStackSize(itemToCraft);
-						this.setJob(x, cg.beginCraftingJob(w, g, mySrc, aisC, null));
-					}
-					if (getJob(x) != null) this.failedCraftTriesSlot[x] = 0;
-					else this.failedCraftTriesSlot[x] += 20;
+					aisC.setStackSize( itemToCraft );
+
+					this.setJob( x, cg.beginCraftingJob( w, g, mySrc, aisC, null ) );
 				}
-				this.failedCraftTriesSlot[x] -= 1;
 			}
 		}
 		return false;
diff --git a/src/main/java/appeng/parts/automation/PartExportBus.java b/src/main/java/appeng/parts/automation/PartExportBus.java
index d428e0ae2..f73f03904 100644
--- a/src/main/java/appeng/parts/automation/PartExportBus.java
+++ b/src/main/java/appeng/parts/automation/PartExportBus.java
@@ -70,6 +70,7 @@ import appeng.util.item.AEItemStack;
 
 public class PartExportBus extends PartSharedItemBus implements ICraftingRequester
 {
+	private int failedCraftTriesSlot[] = {0,0,0,0,0,0,0,0,0};
 
 	public static final ResourceLocation MODEL_BASE = new ResourceLocation( AppEng.MOD_ID, "part/export_bus_base" );
 
@@ -149,12 +150,18 @@ public class PartExportBus extends PartSharedItemBus implements ICraftingRequest
 
 					final IAEItemStack ais = this.getConfig().getAEStackInSlot( slotToExport );
 
-					if( ais == null || this.itemToSend <= 0 || this.craftOnly() )
-					{
-						if( this.isCraftingEnabled() )
+					if( ais == null || this.itemToSend <= 0 || this.craftOnly() ) {
+						if (this.isCraftingEnabled())
 						{
-							this.didSomething = this.craftingTracker.handleCrafting( slotToExport, this.itemToSend, ais, destination, this.getTile().getWorld(),
-									this.getProxy().getGrid(), cg, this.mySrc ) || this.didSomething;
+							if (this.failedCraftTriesSlot[x] <= 0) {
+
+								this.didSomething = this.craftingTracker.handleCrafting(slotToExport, this.itemToSend, ais, destination, this.getTile().getWorld(),
+										this.getProxy().getGrid(), cg, this.mySrc) || this.didSomething;
+
+								if (this.didSomething) this.failedCraftTriesSlot[x] = 0;
+								else this.failedCraftTriesSlot[x] += 20;
+							}
+							this.failedCraftTriesSlot[x] -= 1;
 						}
 						continue;
 					}
@@ -179,8 +186,15 @@ public class PartExportBus extends PartSharedItemBus implements ICraftingRequest
 
 					if( this.itemToSend == before && this.isCraftingEnabled() )
 					{
-						this.didSomething = this.craftingTracker.handleCrafting( slotToExport, this.itemToSend, ais, destination, this.getTile().getWorld(),
-								this.getProxy().getGrid(), cg, this.mySrc ) || this.didSomething;
+						if (this.failedCraftTriesSlot[x] <= 0) {
+
+							this.didSomething = this.craftingTracker.handleCrafting(slotToExport, this.itemToSend, ais, destination, this.getTile().getWorld(),
+									this.getProxy().getGrid(), cg, this.mySrc) || this.didSomething;
+
+							if (this.didSomething) this.failedCraftTriesSlot[x] = 0;
+							else this.failedCraftTriesSlot[x] += 20;
+						}
+						this.failedCraftTriesSlot[x] -= 1;
 					}
 				}