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 e2031a111..23f842cfc 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
@@ -773,7 +773,8 @@ public class TaskElementAdapter {
 
             @Override
             public String getTooltipText() {
-                if (taskElement.isMilestone()) {
+                if (taskElement.isMilestone()
+                        || taskElement.getOrderElement() == null) {
                     return "";
                 }
                 return transactionService
@@ -790,7 +791,8 @@ public class TaskElementAdapter {
 
             @Override
             public String getLabelsText() {
-                if (taskElement.isMilestone()) {
+                if (taskElement.isMilestone()
+                        || taskElement.getOrderElement() == null) {
                     return "";
                 }
                 return transactionService