diff --git a/core/src/net/sf/openrocket/document/OpenRocketDocument.java b/core/src/net/sf/openrocket/document/OpenRocketDocument.java
index a68390bb3..15d63c32c 100644
--- a/core/src/net/sf/openrocket/document/OpenRocketDocument.java
+++ b/core/src/net/sf/openrocket/document/OpenRocketDocument.java
@@ -104,6 +104,7 @@ public class OpenRocketDocument implements ComponentChangeListener {
 	
 	OpenRocketDocument(Rocket rocket) {
 		this.rocket = rocket;
+		rocket.enableEvents();
 		init();
 	}