--- a/net/minecraft/block/ScaffoldingBlock.java
+++ b/net/minecraft/block/ScaffoldingBlock.java
@@ -138,6 +138,8 @@
       return i;
    }
 
+   @Override public boolean isLadder(BlockState state, IWorldReader world, BlockPos pos, net.minecraft.entity.LivingEntity entity) { return true; }
+
    static {
       VoxelShape voxelshape = Block.func_208617_a(0.0D, 14.0D, 0.0D, 16.0D, 16.0D, 16.0D);
       VoxelShape voxelshape1 = Block.func_208617_a(0.0D, 0.0D, 0.0D, 2.0D, 16.0D, 2.0D);
