diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/tabs/MultipleTabsPlannerController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/tabs/MultipleTabsPlannerController.java
index 2dfcf9e5f..2e2884c24 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/tabs/MultipleTabsPlannerController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/tabs/MultipleTabsPlannerController.java
@@ -275,7 +275,8 @@ public class MultipleTabsPlannerController implements Composer,
     }
 
     private boolean isMonteCarloVisible() {
-        return configurationDAO.getConfiguration().isMonteCarloMethodTabVisible();
+        Boolean result = configurationDAO.getConfiguration().isMonteCarloMethodTabVisible();
+        return result != null ? result.booleanValue() : false;
     }
 
     @SuppressWarnings("unchecked")