diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericDayAssignment.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericDayAssignment.java
index 309c4fd45..e35274a0b 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericDayAssignment.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericDayAssignment.java
@@ -210,7 +210,7 @@ public class GenericDayAssignment extends DayAssignment {
 
     @Override
     public String toString() {
-        return super.toString() + " hours: " + getHours();
+        return super.toString() + " duration: " + getDuration();
     }
 
     @Override