diff --git a/persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/customtypes/PhoneNumberType.java b/persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/customtypes/PhoneNumberType.java
index 9f09352bec..79caa3d6fd 100644
--- a/persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/customtypes/PhoneNumberType.java
+++ b/persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/customtypes/PhoneNumberType.java
@@ -57,6 +57,8 @@ public class PhoneNumberType implements UserType {
 
         if (Objects.isNull(value)) {
             st.setNull(index, Types.INTEGER);
+            st.setNull(index+1, Types.INTEGER);
+            st.setNull(index+2, Types.INTEGER);
         } else {
             PhoneNumber employeeNumber = (PhoneNumber) value;
             st.setInt(index,employeeNumber.getCountryCode());