diff --git a/ems-core/src/main/java/it/integry/ems_model/entity/JtbFasiImpMesi.java b/ems-core/src/main/java/it/integry/ems_model/entity/JtbFasiImpMesi.java
index be928b543b..bba9ddd386 100644
--- a/ems-core/src/main/java/it/integry/ems_model/entity/JtbFasiImpMesi.java
+++ b/ems-core/src/main/java/it/integry/ems_model/entity/JtbFasiImpMesi.java
@@ -145,6 +145,6 @@ public class JtbFasiImpMesi extends EntityBase {
 
     protected void deleteChilds() throws Exception {
         JtbFasiImpMesiDett jtbFasiImpMesiDett = new JtbFasiImpMesiDett();
-        jtbFasiImpMesiDett.deleteAllEntities(connection, this);
+        jtbFasiImpMesiDett.deleteAllEntities(connection, "id_fasi_imp_mesi = " + this.getId());
     }
 }