diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/CraftingManager.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/CraftingManager.java
index c1a5499b5..f1c984b4f 100644
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/CraftingManager.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/CraftingManager.java
@@ -39,6 +39,7 @@ public class CraftingManager implements ICraftingManager {
     private List<ICraftingTask> craftingTasksToAdd = new ArrayList<>();
     private List<ICraftingTask> craftingTasksToCancel = new ArrayList<>();
     private List<NBTTagCompound> craftingTasksToRead = new ArrayList<>();
+    private List<ICraftingStep> runningSteps = new ArrayList<>();
 
     private int ticks;
 
@@ -190,6 +191,12 @@ public class CraftingManager implements ICraftingManager {
                     }
                 }
 
+                runningSteps = craftingTasks.stream()
+                        .map(ICraftingTask::getSteps)
+                        .flatMap(List::stream)
+                        .filter(ICraftingStep::hasStartedProcessing)
+                        .collect(Collectors.toList());
+
                 if (craftingTasksChanged) {
                     network.getNetwork().markCraftingMonitorForUpdate();
                 }
@@ -255,11 +262,9 @@ public class CraftingManager implements ICraftingManager {
     public void track(ItemStack stack, int size) {
         ItemStack inserted = ItemHandlerHelper.copyStackWithSize(stack, size);
 
-        for (ICraftingTask task : craftingTasks) {
-            for (ICraftingStep processable : task.getSteps().stream().filter(ICraftingStep::hasStartedProcessing).collect(Collectors.toList())) {
-                if (processable.onReceiveOutput(inserted)) {
-                    return;
-                }
+        for (ICraftingStep step : runningSteps) {
+            if (step.onReceiveOutput(inserted)) {
+                return;
             }
         }
     }
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java
index 604ceb02e..f160caf20 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java
@@ -103,7 +103,7 @@ public abstract class CraftingStep implements ICraftingStep {
 
     @Override
     public List<ICraftingStep> getPreliminarySteps() {
-        return preliminarySteps;
+        return preliminarySteps != null ? preliminarySteps : Collections.emptyList();
     }
 
     @Override
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStepCraft.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStepCraft.java
index bf6856a7c..5106ca924 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStepCraft.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStepCraft.java
@@ -90,6 +90,9 @@ public class CraftingStepCraft extends CraftingStep {
                     toInsertItems.add(byproduct.copy());
                 }
             }
+        } else {
+            // Couldn't extract items
+            startedProcessing = false;
         }
     }
 
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
index be47ea446..40c4d7d06 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
@@ -356,6 +356,21 @@ public class CraftingTask implements ICraftingTask {
             return false;
         }
 
+        // We need to copy the size cause we'll re-add unadded stacks to the queue
+        // Do inserting on the next tick, reliefs CPU time during insertion
+        // See TileController#runningSteps
+        int times = toInsertItems.size();
+        for (int i = 0; i < times; i++) {
+            ItemStack insert = toInsertItems.poll();
+            if (insert != null) {
+                ItemStack remainder = network.insertItemTracked(insert, insert.getCount());
+
+                if (remainder != null) {
+                    toInsertItems.add(remainder);
+                }
+            }
+        }
+
         // Collect all leaf steps
         List<ICraftingStep> leafSteps = new LinkedList<>();
         Queue<ICraftingStep> steps = new LinkedList<>();
@@ -391,18 +406,7 @@ public class CraftingTask implements ICraftingTask {
             }
         }
 
-        // We need to copy the size cause we'll re-add unadded stacks to the queue
-        int times = toInsertItems.size();
-        for (int i = 0; i < times; i++) {
-            ItemStack insert = toInsertItems.poll();
-            if (insert != null) {
-                ItemStack remainder = network.insertItemTracked(insert, insert.getCount());
 
-                if (remainder != null) {
-                    toInsertItems.add(remainder);
-                }
-            }
-        }
 
         if (getSteps().stream().filter(ICraftingStep::hasStartedProcessing).count() == 0) {
             // When there is no started processes, restart the task.
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/proxy/ProxyCommon.java b/src/main/java/com/raoulvdberge/refinedstorage/proxy/ProxyCommon.java
index 4fd2f358e..8e2b6a7ca 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/proxy/ProxyCommon.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/proxy/ProxyCommon.java
@@ -152,11 +152,8 @@ public class ProxyCommon {
         registerTile(TileFluidStorage.class, "fluid_storage");
         registerTile(TileDiskManipulator.class, "disk_manipulator");
         registerTile(TileSecurityManager.class, "security_manager");
-
-        if (READER_WRITER_ENABLED) {
-            registerTile(TileReader.class, "reader");
-            registerTile(TileWriter.class, "writer");
-        }
+        registerTile(TileReader.class, "reader");
+        registerTile(TileWriter.class, "writer");
 
         registerBlock(RSBlocks.CONTROLLER);
         registerBlock(RSBlocks.GRID);