diff --git a/domain/src/main/java/eu/profinit/education/flightlog/domain/fields/Task.java b/domain/src/main/java/eu/profinit/education/flightlog/domain/fields/Task.java
index 87324bb..ccd304c 100644
--- a/domain/src/main/java/eu/profinit/education/flightlog/domain/fields/Task.java
+++ b/domain/src/main/java/eu/profinit/education/flightlog/domain/fields/Task.java
@@ -14,7 +14,7 @@ import javax.persistence.Embeddable;
 @AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class Task {
 
-    public static Task TOWPLANE_TASK = new Task("VLEK");
+    public static final Task TOWPLANE_TASK = new Task("VLEK");
 
     @Getter
     @Column(name= JpaConstants.Columns.TASK)