diff --git a/MCGalaxy/Blocks/Block.cs b/MCGalaxy/Blocks/Block.cs
index d4be57856..337073090 100644
--- a/MCGalaxy/Blocks/Block.cs
+++ b/MCGalaxy/Blocks/Block.cs
@@ -23,7 +23,8 @@ namespace MCGalaxy
     public sealed partial class Block
     {
         public static bool Walkthrough(byte block) {
-            return block == air || block == shrub || block == fire || block == rope
+            return block == air || block == shrub || block == Block.snow
+                || block == fire || block == rope
                 || (block >= water && block <= lavastill)
                 || (block >= yellowflower && block <= redmushroom);
         }
diff --git a/MCGalaxy/Games/ZombieSurvival/Pillaring.cs b/MCGalaxy/Games/ZombieSurvival/Pillaring.cs
index 20dfb80d7..1e7335a13 100644
--- a/MCGalaxy/Games/ZombieSurvival/Pillaring.cs
+++ b/MCGalaxy/Games/ZombieSurvival/Pillaring.cs
@@ -41,9 +41,7 @@ namespace MCGalaxy.Games.ZS {
         }
 
         static bool NotPillaring(byte b, byte old) {
-            if (b == Block.shrub || b == Block.fire || b == Block.rope) return true;
-            if (b >= Block.yellowflower && b <= Block.redmushroom) return true;
-            
+            if (Block.Walkthrough(b)) return true;
             old = Block.Convert(old);
             return old >= Block.water && old <= Block.lavastill;
         }