diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/planner/taskedition/TaskPropertiesController.java b/libreplan-webapp/src/main/java/org/libreplan/web/planner/taskedition/TaskPropertiesController.java
index da83b74a8..232d86e6a 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/planner/taskedition/TaskPropertiesController.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/planner/taskedition/TaskPropertiesController.java
@@ -269,9 +269,10 @@ public class TaskPropertiesController extends GenericForwardComposer {
                         .getValue())) : null;
         if (taskConstraint.isValid(type, inputDate)) {
             taskConstraint.update(type, inputDate);
-            if (currentContext != null) {
-                currentContext.recalculatePosition(currentTaskElement);
-            }
+            //at this point we could call currentContext.recalculatePosition(currentTaskElement)
+            //to trigger the scheduling algorithm, but we don't do it because
+            //the ResourceAllocationController, which is attached to the other
+            //tab of the same window, will do it anyway.
             return true;
         } else {
             return false;