--- ../src_base/common/net/minecraft/src/ItemBlock.java
+++ ../src_work/common/net/minecraft/src/ItemBlock.java
@@ -32,7 +32,8 @@
         {
             par7 = 1;
         }
-        else if (var11 != Block.vine.blockID && var11 != Block.tallGrass.blockID && var11 != Block.deadBush.blockID)
+        else if (var11 != Block.vine.blockID && var11 != Block.tallGrass.blockID && var11 != Block.deadBush.blockID
+                && (Block.blocksList[var11] == null || !Block.blocksList[var11].isBlockReplaceable(par3World, par4, par5, par6)))
         {
             if (par7 == 0)
             {