TickHandlerServer.diff

diff --git a/src/main/java/micdoodle8/mods/galacticraft/core/tick/TickHandlerServer.java b/src/main/java/micdoodle8/mods/galacticraft/core/tick/TickHandlerServer.java
index 4a0b01c..dff3f72 100644
--- a/src/main/java/micdoodle8/mods/galacticraft/core/tick/TickHandlerServer.java
+++ b/src/main/java/micdoodle8/mods/galacticraft/core/tick/TickHandlerServer.java
@@ -460,7 +460,9 @@ public class TickHandlerServer
                         BlockVec3 changePosition = change.getChangePosition();
                         if (changePosition != null)
                         {
-                            world.setBlock(changePosition.x, changePosition.y, changePosition.z, change.getChangeID(), change.getChangeMeta(), 2);
+                            if (change.validateChange(world.getBlock(changePosition.x, changePosition.y, changePosition.z), world.getBlockMetadata(changePosition.x, changePosition.y, changePosition.z))){
+                                world.setBlock(changePosition.x, changePosition.y, changePosition.z, change.getChangeID(), change.getChangeMeta(), 2);
+                            }
                         }
                     }
                 }