--- ../src_base/minecraft_server/net/minecraft/src/BlockDoor.java	0000-00-00 00:00:00.000000000 -0000
+++ ../src_work/minecraft_server/net/minecraft/src/BlockDoor.java	0000-00-00 00:00:00.000000000 -0000
@@ -167,7 +167,7 @@
                 world.setBlockWithNotify(i, j, k, 0);
                 flag = true;
             }
-            if(!world.isBlockNormalCube(i, j - 1, k))
+            if(!world.isBlockSolidOnSide(i, j - 1, k,1))
             {
                 world.setBlockWithNotify(i, j, k, 0);
                 flag = true;
@@ -231,7 +231,7 @@
             return false;
         } else
         {
-            return world.isBlockNormalCube(i, j - 1, k) && super.canPlaceBlockAt(world, i, j, k) && super.canPlaceBlockAt(world, i, j + 1, k);
+            return world.isBlockSolidOnSide(i, j - 1, k,1) && super.canPlaceBlockAt(world, i, j, k) && super.canPlaceBlockAt(world, i, j + 1, k);
         }
     }