diff --git a/items/contents/NetworkToolViewer.java b/items/contents/NetworkToolViewer.java
index 0d10cebb..07857d82 100644
--- a/items/contents/NetworkToolViewer.java
+++ b/items/contents/NetworkToolViewer.java
@@ -19,7 +19,8 @@ public class NetworkToolViewer implements INetworkTool
 		this.is = is;
 		gh = gHost;
 		inv = new AppEngInternalInventory( null, 9 );
-		inv.readFromNBT( Platform.openNbtData( is ), "inv" );
+		if ( is.hasTagCompound() ) // prevent crash when opening network status creen.
+			inv.readFromNBT( Platform.openNbtData( is ), "inv" );
 	}
 
 	@Override
diff --git a/items/tools/ToolNetworkTool.java b/items/tools/ToolNetworkTool.java
index aff4752f..7d8c9925 100644
--- a/items/tools/ToolNetworkTool.java
+++ b/items/tools/ToolNetworkTool.java
@@ -42,7 +42,7 @@ public class ToolNetworkTool extends AEBaseItem implements IGuiItem, IAEWrench,
 	public boolean onItemUseFirst(ItemStack is, EntityPlayer player, World world, int x, int y, int z, int side, float hitX, float hitY, float hitZ)
 	{
 		int id = world.getBlockId( x, y, z );
-		if ( id > 0 )
+		if ( id > 0 && !player.isSneaking() )
 		{
 			Block b = Block.blocksList[id];
 			TileEntity te = world.getBlockTileEntity( x, y, z );