--- ../src-base/minecraft/net/minecraft/block/BlockLog.java
+++ ../src-work/minecraft/net/minecraft/block/BlockLog.java
@@ -34,9 +34,9 @@
             {
                 IBlockState iblockstate = p_180663_1_.func_180495_p(blockpos);
 
-                if (iblockstate.func_185904_a() == Material.field_151584_j && !((Boolean)iblockstate.func_177229_b(BlockLeaves.field_176236_b)).booleanValue())
+                if (iblockstate.func_177230_c().isLeaves(iblockstate, p_180663_1_, blockpos))
                 {
-                    p_180663_1_.func_180501_a(blockpos, iblockstate.func_177226_a(BlockLeaves.field_176236_b, Boolean.valueOf(true)), 4);
+                    iblockstate.func_177230_c().beginLeavesDecay(iblockstate, p_180663_1_, blockpos);
                 }
             }
         }
@@ -69,6 +69,9 @@
         }
     }
 
+    @Override public boolean canSustainLeaves(IBlockState state, net.minecraft.world.IBlockAccess world, BlockPos pos){ return true; }
+    @Override public boolean isWood(net.minecraft.world.IBlockAccess world, BlockPos pos){ return true; }
+
     public static enum EnumAxis implements IStringSerializable
     {
         X("x"),