diff --git a/src/main/java/org/gridsuite/filter/server/repositories/proxies/expertfiler/ExpertFilterRepositoryProxy.java b/src/main/java/org/gridsuite/filter/server/repositories/proxies/expertfiler/ExpertFilterRepositoryProxy.java
index a65a4501..5d44d15f 100644
--- a/src/main/java/org/gridsuite/filter/server/repositories/proxies/expertfiler/ExpertFilterRepositoryProxy.java
+++ b/src/main/java/org/gridsuite/filter/server/repositories/proxies/expertfiler/ExpertFilterRepositoryProxy.java
@@ -69,11 +69,13 @@ public static AbstractExpertRule entityToDto(ExpertRuleEntity filterEntity) {
             }
             case BOOLEAN -> {
                 ExpertRuleValueEntity booleanFilterEntity = (ExpertRuleValueEntity) filterEntity;
-                return BooleanExpertRule.builder()
+                BooleanExpertRule.BooleanExpertRuleBuilder<?, ?> ruleBuilder = BooleanExpertRule.builder()
                         .field(booleanFilterEntity.getField())
-                        .operator(booleanFilterEntity.getOperator())
-                        .value(Boolean.parseBoolean(booleanFilterEntity.getValue()))
-                        .build();
+                        .operator(booleanFilterEntity.getOperator());
+                if (booleanFilterEntity.getValue() != null) {
+                    ruleBuilder.value(Boolean.parseBoolean(booleanFilterEntity.getValue()));
+                }
+                return ruleBuilder.build();
             }
             case NUMBER -> {
                 ExpertRuleValueEntity numberFilterEntity = (ExpertRuleValueEntity) filterEntity;