diff --git a/Essentials/src/com/earth2me/essentials/commands/Commandbigtree.java b/Essentials/src/com/earth2me/essentials/commands/Commandbigtree.java
index 93c5dff53..b4d5066e9 100644
--- a/Essentials/src/com/earth2me/essentials/commands/Commandbigtree.java
+++ b/Essentials/src/com/earth2me/essentials/commands/Commandbigtree.java
@@ -34,7 +34,7 @@ public class Commandbigtree extends EssentialsCommand {
         }
 
         final Location loc = LocationUtil.getTarget(user.getBase()).add(0, 1, 0);
-        if (!user.getWorld().getBlockAt(loc).isPassable()) {
+        if (loc.getBlock().getType().isSolid()) {
             throw new Exception(tl("bigTreeFailure"));
         }
         final boolean success = user.getWorld().generateTree(loc, tree);
diff --git a/Essentials/src/com/earth2me/essentials/commands/Commandtree.java b/Essentials/src/com/earth2me/essentials/commands/Commandtree.java
index b2545c715..fad9eb726 100644
--- a/Essentials/src/com/earth2me/essentials/commands/Commandtree.java
+++ b/Essentials/src/com/earth2me/essentials/commands/Commandtree.java
@@ -43,7 +43,7 @@ public class Commandtree extends EssentialsCommand {
         }
 
         final Location loc = LocationUtil.getTarget(user.getBase()).add(0, 1, 0);
-        if (!user.getWorld().getBlockAt(loc).isPassable()) {
+        if (loc.getBlock().getType().isSolid()) {
             throw new Exception(tl("treeFailure"));
         }