1 files changed, 6 insertions, 0 deletions
diff --git a/src/org/traccar/web/shared/model/UserSettings.java b/src/org/traccar/web/shared/model/UserSettings.java
index f7163a16..3f6deeaf 100644
--- a/src/org/traccar/web/shared/model/UserSettings.java
+++ b/src/org/traccar/web/shared/model/UserSettings.java
@@ -5,6 +5,8 @@ import java.io.Serializable;
 import javax.persistence.Entity;
 import javax.persistence.EnumType;
 import javax.persistence.Enumerated;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
 import javax.persistence.Table;
 
 @Entity
@@ -13,6 +15,10 @@ public class UserSettings implements Serializable {
 
     private static final long serialVersionUID = 1;
 
+    @Id
+    @GeneratedValue
+    private long id;
+
     public UserSettings() {
         speedUnit = SpeedUnit.knots;
     }