diff --git a/hibernate-core/src/main/java/org/hibernate/event/internal/DefaultLoadEventListener.java b/hibernate-core/src/main/java/org/hibernate/event/internal/DefaultLoadEventListener.java
index a8d5ee554f..d0b0124dca 100644
--- a/hibernate-core/src/main/java/org/hibernate/event/internal/DefaultLoadEventListener.java
+++ b/hibernate-core/src/main/java/org/hibernate/event/internal/DefaultLoadEventListener.java
@@ -306,12 +306,7 @@ public class DefaultLoadEventListener extends AbstractLockUpgradeEventListener i
 					LazyInitializer li = ( (HibernateProxy) proxy ).getHibernateLazyInitializer();
 
 					if ( li.isUnwrap() ) {
-						if ( entityMetamodel.hasSubclasses() ) {
-							LOG.debug( "Ignoring NO_PROXY for to-one association with subclasses to honor laziness" );
-						}
-						else {
-							return li.getImplementation();
-						}
+						LOG.debug( "Ignoring NO_PROXY to honor laziness" );
 					}
 
 					return persistenceContext.narrowProxy( proxy, persister, keyToLoad, null );
diff --git a/hibernate-core/src/test/java/org/hibernate/test/bytecode/enhancement/lazy/proxy/LazyToOnesProxyWithSubclassesTest.java b/hibernate-core/src/test/java/org/hibernate/test/bytecode/enhancement/lazy/proxy/LazyToOnesProxyWithSubclassesTest.java
index e14705ae9c..f19dd3d1cc 100644
--- a/hibernate-core/src/test/java/org/hibernate/test/bytecode/enhancement/lazy/proxy/LazyToOnesProxyWithSubclassesTest.java
+++ b/hibernate-core/src/test/java/org/hibernate/test/bytecode/enhancement/lazy/proxy/LazyToOnesProxyWithSubclassesTest.java
@@ -24,7 +24,6 @@ import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.proxy.HibernateProxy;
 import org.hibernate.stat.Statistics;
 
-import org.hibernate.testing.FailureExpected;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
 import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
@@ -155,7 +154,6 @@ public class LazyToOnesProxyWithSubclassesTest extends BaseNonConfigCoreFunction
 	}
 
 	@Test
-	@FailureExpected( jiraKey = "HHH-13640" )
 	public void testExistingProxyAssociationLeafSubclass() {
 		inTransaction(
 				session -> {
@@ -187,6 +185,12 @@ public class LazyToOnesProxyWithSubclassesTest extends BaseNonConfigCoreFunction
 					// an uninitialized non-HibernateProxy proxy?
 					assertEquals( 1, stats.getPrepareStatementCount() );
 
+					Human human = otherEntity.getHuman();
+					human.getName();
+					assertEquals( 1, stats.getPrepareStatementCount() );
+
+					human.getSex();
+					assertEquals( 2, stats.getPrepareStatementCount() );
 				}
 		);
 	}
@@ -239,6 +243,8 @@ public class LazyToOnesProxyWithSubclassesTest extends BaseNonConfigCoreFunction
 	@Table(name = "Human")
 	public static class Human extends Primate {
 
+		private String sex;
+
 		public Human(String name) {
 			this();
 			setName( name );
@@ -247,6 +253,14 @@ public class LazyToOnesProxyWithSubclassesTest extends BaseNonConfigCoreFunction
 		protected Human() {
 			// this form used by Hibernate
 		}
+
+		public String getSex() {
+			return sex;
+		}
+
+		public void setSex(String sex) {
+			this.sex = sex;
+		}
 	}
 
 	@Entity(name = "OtherEntity")
@@ -279,5 +293,13 @@ public class LazyToOnesProxyWithSubclassesTest extends BaseNonConfigCoreFunction
 		public String getId() {
 			return id;
 		}
+
+		public Human getHuman() {
+			return human;
+		}
+
+		public void setHuman(Human human) {
+			this.human = human;
+		}
 	}
 }
\ No newline at end of file