diff --git a/client/gui/AEBaseGui.java b/client/gui/AEBaseGui.java
index 8d5e2ed03..bc4562b72 100644
--- a/client/gui/AEBaseGui.java
+++ b/client/gui/AEBaseGui.java
@@ -576,11 +576,12 @@ public abstract class AEBaseGui extends GuiContainer
 		this.zLevel = 100.0F;
 		itemRender.zLevel = 100.0F;
 
+		GL11.glPushAttrib( GL11.GL_ALL_ATTRIB_BITS );
 		GL11.glEnable( GL11.GL_LIGHTING );
 		GL11.glEnable( GL12.GL_RESCALE_NORMAL );
 		RenderHelper.enableGUIStandardItemLighting();
 		itemRender.renderItemAndEffectIntoGUI( this.fontRendererObj, this.mc.renderEngine, is, x, y );
-		GL11.glDisable( GL11.GL_LIGHTING );
+		GL11.glPopAttrib();
 
 		itemRender.zLevel = 0.0F;
 		this.zLevel = 0.0F;
diff --git a/tile/storage/TileIOPort.java b/tile/storage/TileIOPort.java
index 8cc008f4f..4f75dbbc7 100644
--- a/tile/storage/TileIOPort.java
+++ b/tile/storage/TileIOPort.java
@@ -12,6 +12,7 @@ import appeng.api.config.RedstoneMode;
 import appeng.api.config.Settings;
 import appeng.api.config.Upgrades;
 import appeng.api.implementations.IUpgradeableHost;
+import appeng.api.networking.GridFlags;
 import appeng.api.networking.IGridNode;
 import appeng.api.networking.energy.IEnergySource;
 import appeng.api.networking.security.BaseActionSource;
@@ -84,6 +85,7 @@ public class TileIOPort extends AENetworkInvTile implements IUpgradeableHost, IC
 
 	public TileIOPort() {
 		addNewHandler( new TileIOPortHandler() );
+		gridProxy.setFlags( GridFlags.REQUIRE_CHANNEL );
 		cm.registerSetting( Settings.REDSTONE_CONTROLLED, RedstoneMode.IGNORE );
 		cm.registerSetting( Settings.FULLNESS_MODE, FullnessMode.EMPTY );
 		cm.registerSetting( Settings.OPERATION_MODE, OperationMode.EMPTY );
@@ -340,7 +342,7 @@ public class TileIOPort extends AENetworkInvTile implements IUpgradeableHost, IC
 		if ( src instanceof IMEMonitor )
 			myList = ((IMEMonitor) src).getStorageList();
 		else
-			myList = src.getAvailableItems( src.getChannel().createList()  );
+			myList = src.getAvailableItems( src.getChannel().createList() );
 
 		boolean didStuff;
 
@@ -383,7 +385,7 @@ public class TileIOPort extends AENetworkInvTile implements IUpgradeableHost, IC
 								itemsToMove -= possible;
 								didStuff = true;
 							}
-							
+
 							break;
 						}
 					}