diff --git a/src/main/java/appeng/helpers/DualityInterface.java b/src/main/java/appeng/helpers/DualityInterface.java
index 3ef1e0622..386546160 100644
--- a/src/main/java/appeng/helpers/DualityInterface.java
+++ b/src/main/java/appeng/helpers/DualityInterface.java
@@ -112,6 +112,8 @@ 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;
 	public static final int NUMBER_OF_PATTERN_SLOTS = 9;
@@ -763,9 +765,17 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		{
 			if( this.getInstalledUpgrades( Upgrades.CRAFTING ) > 0 && itemStack != null )
 			{
-				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] += 4;
+					}
+				}
+				this.failedCraftTriesSlot[x] -= 1;
 			}
 		}
 		catch( final GridAccessException e )
diff --git a/src/main/java/appeng/parts/automation/PartExportBus.java b/src/main/java/appeng/parts/automation/PartExportBus.java
index 37578ac99..48cc81501 100644
--- a/src/main/java/appeng/parts/automation/PartExportBus.java
+++ b/src/main/java/appeng/parts/automation/PartExportBus.java
@@ -70,6 +70,8 @@ import appeng.util.item.AEItemStack;
 
 public class PartExportBus extends PartSharedItemBus implements ICraftingRequester
 {
+	private final 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" );
 
 	@PartModels
@@ -151,8 +153,15 @@ public class PartExportBus extends PartSharedItemBus implements ICraftingRequest
 					if( ais == null || this.itemToSend <= 0 ) continue;
 
 					if ( this.craftOnly() ) {
+						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] += 4;
+						}
+						this.failedCraftTriesSlot[x] -= 1;
 						continue;
 					}
 
@@ -176,8 +185,15 @@ public class PartExportBus extends PartSharedItemBus implements ICraftingRequest
 
 					if( this.itemToSend == before && this.isCraftingEnabled() )
 					{
+						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] += 4;
+						}
+						this.failedCraftTriesSlot[x] -= 1;
 					}
 				}