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 e046c139d..289b080e8 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 scala.collection.convert.WrapAsScala._
 object DriverExportBus extends driver.SidedBlock {
   override def worksWith(world: World, x: Int, y: Int, z: Int, side: ForgeDirection) =
     world.getTileEntity(x, y, z) match {
-      case container: IPartHost => ForgeDirection.VALID_DIRECTIONS.map(container.getPart).exists(_.isInstanceOf[PartExportBus])
+      case container: IPartHost => ForgeDirection.VALID_DIRECTIONS.map(container.getPart).filter(obj => { obj != null }).exists(_.isInstanceOf[PartExportBus])
       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 1b55486dc..0a9185001 100644
--- a/src/main/scala/li/cil/oc/integration/appeng/DriverImportBus.scala
+++ b/src/main/scala/li/cil/oc/integration/appeng/DriverImportBus.scala
@@ -16,7 +16,7 @@ import net.minecraftforge.common.util.ForgeDirection
 object DriverImportBus extends driver.SidedBlock {
   override def worksWith(world: World, x: Int, y: Int, z: Int, side: ForgeDirection) =
     world.getTileEntity(x, y, z) match {
-      case container: IPartHost => ForgeDirection.VALID_DIRECTIONS.map(container.getPart).exists(_.isInstanceOf[PartImportBus])
+      case container: IPartHost => ForgeDirection.VALID_DIRECTIONS.map(container.getPart).filter(obj => { obj != null }).exists(_.isInstanceOf[PartImportBus])
       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 52e519230..d997c3a9c 100644
--- a/src/main/scala/li/cil/oc/integration/appeng/DriverPartInterface.scala
+++ b/src/main/scala/li/cil/oc/integration/appeng/DriverPartInterface.scala
@@ -16,7 +16,7 @@ import net.minecraftforge.common.util.ForgeDirection
 object DriverPartInterface extends driver.SidedBlock {
   override def worksWith(world: World, x: Int, y: Int, z: Int, side: ForgeDirection) =
     world.getTileEntity(x, y, z) match {
-      case container: IPartHost => ForgeDirection.VALID_DIRECTIONS.map(container.getPart).exists(_.isInstanceOf[PartInterface])
+      case container: IPartHost => ForgeDirection.VALID_DIRECTIONS.map(container.getPart).filter(obj => { obj != null }).exists(_.isInstanceOf[PartInterface])
       case _ => false
     }