diff --git a/src/com/gpl/rpg/atcontentstudio/model/maps/WorldmapSegment.java b/src/com/gpl/rpg/atcontentstudio/model/maps/WorldmapSegment.java
index 342b320..c5fb785 100644
--- a/src/com/gpl/rpg/atcontentstudio/model/maps/WorldmapSegment.java
+++ b/src/com/gpl/rpg/atcontentstudio/model/maps/WorldmapSegment.java
@@ -23,11 +23,13 @@ import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.NodeList;
 
+import com.gpl.rpg.atcontentstudio.ATContentStudio;
 import com.gpl.rpg.atcontentstudio.model.GameDataElement;
 import com.gpl.rpg.atcontentstudio.model.ProjectTreeNode;
 import com.gpl.rpg.atcontentstudio.model.SaveEvent;
 import com.gpl.rpg.atcontentstudio.model.gamedata.GameDataSet;
 import com.gpl.rpg.atcontentstudio.ui.DefaultIcons;
+import com.gpl.rpg.atcontentstudio.ui.StudioFrame;
 
 public class WorldmapSegment extends GameDataElement {
 
@@ -126,6 +128,7 @@ public class WorldmapSegment extends GameDataElement {
 		if (modified) {
 			this.state = GameDataElement.State.modified;
 			childrenChanged(new ArrayList<ProjectTreeNode>());
+			ATContentStudio.frame.editorChanged(this);
 		}
 	}