diff --git a/common/buildcraft/builders/TileConstructionMarker.java b/common/buildcraft/builders/TileConstructionMarker.java
index dd23b333..b9bc797e 100755
--- a/common/buildcraft/builders/TileConstructionMarker.java
+++ b/common/buildcraft/builders/TileConstructionMarker.java
@@ -179,6 +179,7 @@ public class TileConstructionMarker extends TileBuildCraft implements IBuildingI
 
 	@Override
 	public void validate() {
+		super.validate();
 		if (!worldObj.isRemote) {
 			currentMarkers.add(this);
 		}
@@ -186,6 +187,7 @@ public class TileConstructionMarker extends TileBuildCraft implements IBuildingI
 
 	@Override
 	public void invalidate() {
+		super.invalidate();
 		if (!worldObj.isRemote) {
 			currentMarkers.remove(this);
 		}