diff --git a/li/cil/oc/client/PacketSender.scala b/li/cil/oc/client/PacketSender.scala
index a3185d353..bcf6a6657 100644
--- a/li/cil/oc/client/PacketSender.scala
+++ b/li/cil/oc/client/PacketSender.scala
@@ -14,32 +14,35 @@ object PacketSender {
     pb.sendToServer()
   }
 
-  def sendKeyDown[T <: Buffer](t: T, char: Char, code: Int) = if (t.hasKeyboard) {
-    val pb = new PacketBuilder(PacketType.KeyDown)
+  def sendKeyDown[T <: Buffer](t: T, char: Char, code: Int) =
+    if (t.hasKeyboard) {
+      val pb = new PacketBuilder(PacketType.KeyDown)
 
-    pb.writeTileEntity(t)
-    pb.writeChar(char)
-    pb.writeInt(code)
+      pb.writeTileEntity(t)
+      pb.writeChar(char)
+      pb.writeInt(code)
 
-    pb.sendToServer()
-  }
+      pb.sendToServer()
+    }
 
-  def sendKeyUp[T <: Buffer](t: T, char: Char, code: Int) = if (t.hasKeyboard) {
-    val pb = new PacketBuilder(PacketType.KeyUp)
+  def sendKeyUp[T <: Buffer](t: T, char: Char, code: Int) =
+    if (t.hasKeyboard) {
+      val pb = new PacketBuilder(PacketType.KeyUp)
 
-    pb.writeTileEntity(t)
-    pb.writeChar(char)
-    pb.writeInt(code)
+      pb.writeTileEntity(t)
+      pb.writeChar(char)
+      pb.writeInt(code)
 
-    pb.sendToServer()
-  }
+      pb.sendToServer()
+    }
 
-  def sendClipboard[T <: Buffer](t: T, value: String) = if (!value.isEmpty && t.hasKeyboard) {
-    val pb = new PacketBuilder(PacketType.Clipboard)
+  def sendClipboard[T <: Buffer](t: T, value: String) =
+    if (!value.isEmpty && t.hasKeyboard) {
+      val pb = new PacketBuilder(PacketType.Clipboard)
 
-    pb.writeTileEntity(t)
-    pb.writeUTF(value.substring(0, value.length min 1024))
+      pb.writeTileEntity(t)
+      pb.writeUTF(value.substring(0, value.length min 1024))
 
-    pb.sendToServer()
-  }
+      pb.sendToServer()
+    }
 }
\ No newline at end of file
diff --git a/li/cil/oc/client/gui/Buffer.scala b/li/cil/oc/client/gui/Buffer.scala
index 44070bce4..d283670b9 100644
--- a/li/cil/oc/client/gui/Buffer.scala
+++ b/li/cil/oc/client/gui/Buffer.scala
@@ -16,7 +16,7 @@ trait Buffer extends GuiScreen {
 
   private val pressedKeys = mutable.Map.empty[Int, Char]
 
-  private var currentWidth, currentHeight = -1.0
+  protected var currentWidth, currentHeight = -1
 
   private var shouldRecompileDisplayLists = true
 
@@ -34,6 +34,7 @@ trait Buffer extends GuiScreen {
     BufferRenderer.init(Minecraft.getMinecraft.renderEngine)
     Keyboard.enableRepeatEvents(true)
     buffer.owner.currentGui = Some(this)
+    recompileDisplayLists()
   }
 
   override def onGuiClosed() = {
@@ -47,12 +48,11 @@ trait Buffer extends GuiScreen {
 
   protected def drawBufferLayer() {
     if (shouldRecompileDisplayLists) {
+      shouldRecompileDisplayLists = false
       val (w, h) = buffer.resolution
-      if (w != currentWidth || h != currentHeight) {
-        currentWidth = w
-        currentHeight = h
-        scale = changeSize(currentWidth, currentHeight)
-      }
+      currentWidth = w
+      currentHeight = h
+      scale = changeSize(currentWidth, currentHeight)
       BufferRenderer.compileText(scale, buffer.lines, buffer.color, buffer.depth)
     }
     GL11.glPushMatrix()
diff --git a/li/cil/oc/common/PacketBuilder.scala b/li/cil/oc/common/PacketBuilder.scala
index 5e7f0f371..cf2fa32aa 100644
--- a/li/cil/oc/common/PacketBuilder.scala
+++ b/li/cil/oc/common/PacketBuilder.scala
@@ -1,8 +1,8 @@
 package li.cil.oc.common
 
-import cpw.mods.fml.common.FMLCommonHandler
 import cpw.mods.fml.common.network.PacketDispatcher
 import cpw.mods.fml.common.network.Player
+import cpw.mods.fml.common.{ObfuscationReflectionHelper, FMLCommonHandler}
 import java.io.ByteArrayOutputStream
 import java.io.DataOutputStream
 import li.cil.oc.common.tileentity.TileEntity
@@ -45,7 +45,8 @@ class PacketBuilder(packetType: PacketType.Value, private val stream: ByteArrayO
     val server = FMLCommonHandler.instance.getMinecraftServerInstance
     val manager = server.getConfigurationManager
     for (player <- manager.playerEntityList.map(_.asInstanceOf[EntityPlayerMP]) if player.dimension == dimension) {
-      val playerSpecificRange = range min ((manager.getViewDistance min PacketBuilder.tryGetPlayerRenderDistance(player)) * 16)
+      val playerRenderDistance = ObfuscationReflectionHelper.getPrivateValue(classOf[EntityPlayerMP], player, "renderDistance").asInstanceOf[Integer]
+      val playerSpecificRange = range min ((manager.getViewDistance min playerRenderDistance) * 16)
       if (player.getDistanceSq(x, y, z) < playerSpecificRange * playerSpecificRange) {
         sendToPlayer(player.asInstanceOf[Player])
       }
@@ -64,27 +65,3 @@ class PacketBuilder(packetType: PacketType.Value, private val stream: ByteArrayO
     p
   }
 }
-
-object PacketBuilder {
-  private val renderDistanceField = try {
-    val field = classOf[EntityPlayerMP].getDeclaredField("renderDistance")
-    field.setAccessible(true)
-    Some(field)
-  }
-  catch {
-    case _: Throwable => None
-  }
-
-  private def tryGetPlayerRenderDistance(player: EntityPlayerMP): Int = {
-    try {
-      renderDistanceField match {
-        case Some(field) => return field.get(player).asInstanceOf[Integer]
-        case _ =>
-      }
-    }
-    catch {
-      case _: Throwable =>
-    }
-    Int.MaxValue
-  }
-}
\ No newline at end of file
diff --git a/li/cil/oc/common/container/Player.scala b/li/cil/oc/common/container/Player.scala
index a2cee4fda..65a8aa618 100644
--- a/li/cil/oc/common/container/Player.scala
+++ b/li/cil/oc/common/container/Player.scala
@@ -9,7 +9,6 @@ import net.minecraft.inventory.IInventory
 import net.minecraft.inventory.Slot
 import net.minecraft.item.ItemStack
 
-/** Utility for inventory containers providing basic re-usable functionality. */
 abstract class Player(protected val playerInventory: InventoryPlayer, val otherInventory: IInventory) extends Container {
   /** Number of player inventory slots to display horizontally. */
   protected val playerInventorySizeX = InventoryPlayer.getHotbarSize
diff --git a/li/cil/oc/common/tileentity/Screen.scala b/li/cil/oc/common/tileentity/Screen.scala
index 9b3eb87af..f924f8945 100644
--- a/li/cil/oc/common/tileentity/Screen.scala
+++ b/li/cil/oc/common/tileentity/Screen.scala
@@ -41,11 +41,11 @@ class Screen(var tier: Int) extends Buffer with SidedEnvironment with Rotatable
 
   def sidedNode(side: ForgeDirection) = if (canConnect(side)) node else null
 
-  override def hasKeyboard = ForgeDirection.VALID_DIRECTIONS.
-    map(side => (side, world.getBlockTileEntity(x + side.offsetX, y + side.offsetY, z + side.offsetZ))).
+  override def hasKeyboard = screens.exists(screen => ForgeDirection.VALID_DIRECTIONS.
+    map(side => (side, world.getBlockTileEntity(screen.x + side.offsetX, screen.y + side.offsetY, screen.z + side.offsetZ))).
     collect {
     case (side, keyboard: Keyboard) if keyboard.facing == side => keyboard
-  }.nonEmpty
+  }.nonEmpty)
 
   // ----------------------------------------------------------------------- //