diff --git a/src/main/scala/li/cil/oc/integration/appeng/DriverExportBus.scala b/src/main/scala/li/cil/oc/integration/appeng/DriverExportBus.scala
index 6114cf5db..1176adcc0 100644
--- a/src/main/scala/li/cil/oc/integration/appeng/DriverExportBus.scala
+++ b/src/main/scala/li/cil/oc/integration/appeng/DriverExportBus.scala
@@ -28,7 +28,7 @@ import net.minecraft.util.math.BlockPos
 object DriverExportBus extends driver.SidedBlock {
   override def worksWith(world: World, pos: BlockPos, side: EnumFacing) =
     world.getTileEntity(pos) match {
-      case container: IPartHost => EnumFacing.VALUES.map(container.getPart).map(_.getItemStack(PartItemStack.PICK)).exists(AEUtil.isExportBus)
+      case container: IPartHost => EnumFacing.VALUES.map(container.getPart).filter(obj => { obj != null }).map(_.getItemStack(PartItemStack.PICK)).filter(obj => { obj != null }).exists(AEUtil.isExportBus)
       case _ => false
     }
 
diff --git a/src/main/scala/li/cil/oc/integration/appeng/DriverImportBus.scala b/src/main/scala/li/cil/oc/integration/appeng/DriverImportBus.scala
index c8f38b270..a2638cc36 100644
--- a/src/main/scala/li/cil/oc/integration/appeng/DriverImportBus.scala
+++ b/src/main/scala/li/cil/oc/integration/appeng/DriverImportBus.scala
@@ -17,7 +17,7 @@ import net.minecraft.world.World
 object DriverImportBus extends driver.SidedBlock {
   override def worksWith(world: World, pos: BlockPos, side: EnumFacing) =
     world.getTileEntity(pos) match {
-      case container: IPartHost => EnumFacing.VALUES.map(container.getPart).map(_.getItemStack(PartItemStack.PICK)).exists(AEUtil.isImportBus)
+      case container: IPartHost => EnumFacing.VALUES.map(container.getPart).filter(obj => { obj != null }).map(_.getItemStack(PartItemStack.PICK)).filter(obj => { obj != null }).exists(AEUtil.isImportBus)
       case _ => false
     }
 
diff --git a/src/main/scala/li/cil/oc/integration/appeng/DriverPartInterface.scala b/src/main/scala/li/cil/oc/integration/appeng/DriverPartInterface.scala
index 92423b404..5e0f830f0 100644
--- a/src/main/scala/li/cil/oc/integration/appeng/DriverPartInterface.scala
+++ b/src/main/scala/li/cil/oc/integration/appeng/DriverPartInterface.scala
@@ -15,7 +15,7 @@ import net.minecraft.world.World
 object DriverPartInterface extends driver.SidedBlock {
   override def worksWith(world: World, pos: BlockPos, side: EnumFacing) =
     world.getTileEntity(pos) match {
-      case container: IPartHost => EnumFacing.VALUES.map(container.getPart).map(_.getItemStack(PartItemStack.PICK)).exists(AEUtil.isPartInterface)
+      case container: IPartHost => EnumFacing.VALUES.map(container.getPart).filter(obj => { obj != null }).map(_.getItemStack(PartItemStack.PICK)).filter(obj => { obj != null }).exists(AEUtil.isPartInterface)
       case _ => false
     }