diff --git a/src/main/java/org/gridsuite/filter/expertfilter/expertrule/AbstractExpertRule.java b/src/main/java/org/gridsuite/filter/expertfilter/expertrule/AbstractExpertRule.java
index 72ccd07..a1b6e63 100644
--- a/src/main/java/org/gridsuite/filter/expertfilter/expertrule/AbstractExpertRule.java
+++ b/src/main/java/org/gridsuite/filter/expertfilter/expertrule/AbstractExpertRule.java
@@ -51,6 +51,8 @@
 @SuperBuilder
 public abstract class AbstractExpertRule {
 
+    private UUID id;
+
     private CombinatorType combinator;
 
     private FieldType field;