diff --git a/src/main/java/tconstruct/blocks/CastingChannelBlock.java b/src/main/java/tconstruct/blocks/CastingChannelBlock.java
index 709bc8b15d5..7f99246479f 100644
--- a/src/main/java/tconstruct/blocks/CastingChannelBlock.java
+++ b/src/main/java/tconstruct/blocks/CastingChannelBlock.java
@@ -61,6 +61,12 @@ public boolean renderAsNormalBlock ()
     {
         return false;
     }
+    
+    @Override
+    public boolean isOpaqueCube ()
+    {
+        return false;
+    }
 
     public boolean shouldSideBeRendered (IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
     {