diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/tree/TreeController.java b/libreplan-webapp/src/main/java/org/libreplan/web/tree/TreeController.java
index 809b4ec65..cdb3535f9 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/tree/TreeController.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/tree/TreeController.java
@@ -174,7 +174,8 @@ public abstract class TreeController<T extends ITreeNode<T>> extends
     }
 
     public void move(Component dropedIn, Component dragged) {
-        if (isPredicateApplied()) {
+        if ((isPredicateApplied())
+                || (dropedIn.getUuid().equals(dragged.getUuid()))) {
             return;
         }