diff --git a/patches/minecraft/net/minecraft/block/Block.java.patch b/patches/minecraft/net/minecraft/block/Block.java.patch
index 6493fc1036..1db45776e0 100644
--- a/patches/minecraft/net/minecraft/block/Block.java.patch
+++ b/patches/minecraft/net/minecraft/block/Block.java.patch
@@ -206,7 +206,7 @@
 +     */
 +    public boolean isBlockNormalCube(World world, int x, int y, int z)
 +    {
-+        return blockMaterial.isOpaque() && renderAsNormalBlock();
++        return blockMaterial.isOpaque() && renderAsNormalBlock() && !canProvidePower();
 +    }
 +
 +    /**