diff --git a/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml b/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml
index 9e4f4bf4c9..f7258e3109 100644
--- a/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml
+++ b/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml
@@ -8,6 +8,8 @@
     <persistence-unit name="java-jpa-scheduled-day">
         <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
         <class>com.baeldung.sqlresultsetmapping.ScheduledDay</class>
+        <class>com.baeldung.sqlresultsetmapping.Employee</class>
+        <exclude-unlisted-classes>true</exclude-unlisted-classes>
         <properties>
             <property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
             <property name="javax.persistence.jdbc.url"