diff --git a/hibernate-core/src/main/java/org/hibernate/internal/util/ReflectHelper.java b/hibernate-core/src/main/java/org/hibernate/internal/util/ReflectHelper.java
index be5a0caacc..fd4ab26ba8 100644
--- a/hibernate-core/src/main/java/org/hibernate/internal/util/ReflectHelper.java
+++ b/hibernate-core/src/main/java/org/hibernate/internal/util/ReflectHelper.java
@@ -39,7 +39,7 @@ import org.hibernate.type.Type;
 public final class ReflectHelper {
 
 	private static final Pattern JAVA_CONSTANT_PATTERN = Pattern.compile(
-			"[a-z\\d]+\\.([A-Z]{1}[a-z\\d]+)+\\$?([A-Z]{1}[a-z\\d]+)*\\.[A-Z_\\$]+", Pattern.UNICODE_CHARACTER_CLASS);
+			"[a-z\\d]+\\.([A-Z]+[a-z\\d]+)+\\$?([A-Z]{1}[a-z\\d]+)*\\.[A-Z_\\$]+", Pattern.UNICODE_CHARACTER_CLASS);
 
 	public static final Class[] NO_PARAM_SIGNATURE = new Class[0];
 	public static final Object[] NO_PARAMS = new Object[0];
diff --git a/hibernate-core/src/test/java/org/hibernate/internal/util/ReflectHelperTest.java b/hibernate-core/src/test/java/org/hibernate/internal/util/ReflectHelperTest.java
index 78e914a910..b6559f39fb 100644
--- a/hibernate-core/src/test/java/org/hibernate/internal/util/ReflectHelperTest.java
+++ b/hibernate-core/src/test/java/org/hibernate/internal/util/ReflectHelperTest.java
@@ -230,4 +230,15 @@ public class ReflectHelperTest {
 	public void test_setMethod_nestedInterfaces_on_superclasses() {
 		assertNotNull( ReflectHelper.findSetterMethod( E.class, "id", String.class ) );
 	}
+
+	@TestForIssue(jiraKey = "HHH-14059")
+	@Test
+	public void test_getConstantValue_UpperCaseEnum() {
+		when( sessionFactoryOptionsMock.isConventionalJavaConstants() ).thenReturn( true );
+
+		when( classLoaderServiceMock.classForName( "com.example.UStatus" ) ).thenReturn( (Class) Status.class );
+		Object value = ReflectHelper.getConstantValue( "com.example.UStatus.OFF", sessionFactoryImplementorMock);
+		assertEquals( OFF, value );
+		verify(classLoaderServiceMock, times(1)).classForName( eq("com.example.UStatus") );
+	}
 }
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