diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/planner/TaskElementAdapter.java b/libreplan-webapp/src/main/java/org/libreplan/web/planner/TaskElementAdapter.java
index 08e3e1326..d283bb145 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/planner/TaskElementAdapter.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/planner/TaskElementAdapter.java
@@ -1203,7 +1203,8 @@ _(
             @Override
             public boolean isFixed() {
                 return taskElement.isLimitingAndHasDayAssignments()
-                        || taskElement.hasConsolidations();
+                        || taskElement.hasConsolidations()
+                        || taskElement.isUpdatedFromTimesheets();
             }
 
             @Override