diff --git a/backend-core-data-impl/src/main/java/com/flowingcode/backendcore/dao/jpa/ConstraintTransformerJpaImpl.java b/backend-core-data-impl/src/main/java/com/flowingcode/backendcore/dao/jpa/ConstraintTransformerJpaImpl.java
index 52c1c8f..310254f 100644
--- a/backend-core-data-impl/src/main/java/com/flowingcode/backendcore/dao/jpa/ConstraintTransformerJpaImpl.java
+++ b/backend-core-data-impl/src/main/java/com/flowingcode/backendcore/dao/jpa/ConstraintTransformerJpaImpl.java
@@ -102,7 +102,7 @@ private static Class<?> boxed(Class<?> type) {
 	
 	@Override
 	protected Predicate transformNegatedConstraint(NegatedConstraint c) {		
-		return criteriaBuilder.not(transform(c.getConstraint()));
+		return criteriaBuilder.not(apply(c.getConstraint()));
 	}
 
 	@Override