diff --git a/tests/org.eclipse.ocl.examples.xtext.tests/src/org/eclipse/ocl/examples/pivot/tests/UMLValidateTest.java b/tests/org.eclipse.ocl.examples.xtext.tests/src/org/eclipse/ocl/examples/pivot/tests/UMLValidateTest.java
index 0c840ae..afa82fd 100644
--- a/tests/org.eclipse.ocl.examples.xtext.tests/src/org/eclipse/ocl/examples/pivot/tests/UMLValidateTest.java
+++ b/tests/org.eclipse.ocl.examples.xtext.tests/src/org/eclipse/ocl/examples/pivot/tests/UMLValidateTest.java
@@ -824,4 +824,25 @@
 		assertUMLOCLValidationDiagnostics(ocl, "UML Load", umlResource);
 		ocl.dispose();
 	}
+
+	public void test_umlValidation_Bug514353() throws IOException {
+		resetRegistries();
+		CommonOptions.DEFAULT_DELEGATION_MODE.setDefaultValue(PivotConstants.OCL_DELEGATE_URI_PIVOT);
+		if (EcorePlugin.IS_ECLIPSE_RUNNING) {
+			new CommonPreferenceInitializer().initializeDefaultPreferences();
+		}
+		OCL ocl = createOCL();
+		ResourceSet resourceSet = ocl.getResourceSet();
+		org.eclipse.ocl.ecore.delegate.OCLDelegateDomain.initialize(resourceSet);
+		OCLDelegateDomain.initializePivotOnlyDiagnosticianResourceSet(resourceSet);
+		@SuppressWarnings("null")@NonNull Resource umlResource = doLoadUML(ocl, "Bug514353");
+		assertNoResourceErrors("Loading", umlResource);
+		Map<Object, Object> validationContext = LabelUtil.createDefaultContext(Diagnostician.INSTANCE);
+		OCLDelegateDomain.initializePivotOnlyDiagnosticianContext(validationContext);
+		assertValidationDiagnostics("Loading", umlResource, validationContext);
+		assertUMLOCLValidationDiagnostics(ocl, "UML Load", umlResource/*,
+			"\"Parsing error for RootElement::Class1::Attribute1::class2.Attribute1 + 1.0:\n" +
+				" Failed to load 'file:/E:/GIT/org.eclipse.ocl/tests/org.eclipse.ocl.examples.xtext.tests/bin/org/eclipse/ocl/examples/pivot/tests/models/Bug514353.uml.oclas' : Unsupported Class::nestedClassifiers for \"Class1\" in UML2ASDeclarationSwitch\""*/);
+		ocl.dispose();
+	}
 }
diff --git a/tests/org.eclipse.ocl.examples.xtext.tests/src/org/eclipse/ocl/examples/pivot/tests/models/Bug514353.uml b/tests/org.eclipse.ocl.examples.xtext.tests/src/org/eclipse/ocl/examples/pivot/tests/models/Bug514353.uml
new file mode 100644
index 0000000..d9c525f
--- /dev/null
+++ b/tests/org.eclipse.ocl.examples.xtext.tests/src/org/eclipse/ocl/examples/pivot/tests/models/Bug514353.uml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<uml:Model xmi:version="20131001" xmlns:xmi="http://www.omg.org/spec/XMI/20131001" xmlns:uml="http://www.eclipse.org/uml2/5.0.0/UML" xmi:id="_M6oY8BPqEeeYG4XOVuuZwg" name="RootElement" URI="http://Bug514353">
+  <packageImport xmi:id="_NBTosBPqEeeYG4XOVuuZwg">
+    <importedPackage xmi:type="uml:Model" href="pathmap://UML_LIBRARIES/UMLPrimitiveTypes.library.uml#_0"/>
+  </packageImport>
+  <packagedElement xmi:type="uml:Class" xmi:id="_Pcw-gBPqEeeYG4XOVuuZwg" name="Class1">
+    <ownedAttribute xmi:id="_SBNRMBPqEeeYG4XOVuuZwg" name="Attribute1" isDerived="true">
+      <type xmi:type="uml:PrimitiveType" href="pathmap://UML_LIBRARIES/UMLPrimitiveTypes.library.uml#Real"/>
+      <defaultValue xmi:type="uml:OpaqueExpression" xmi:id="_f9T_sBPqEeeYG4XOVuuZwg">
+        <language>OCL</language>
+        <body>class2.Attribute1 + 1.0</body>
+      </defaultValue>
+    </ownedAttribute>
+    <ownedAttribute xmi:id="_WceioBPqEeeYG4XOVuuZwg" name="class2" type="_PyCq8BPqEeeYG4XOVuuZwg" aggregation="composite" association="_WcYcABPqEeeYG4XOVuuZwg"/>
+    <nestedClassifier xmi:type="uml:Association" xmi:id="_WcYcABPqEeeYG4XOVuuZwg" memberEnd="_WceioBPqEeeYG4XOVuuZwg _WciNABPqEeeYG4XOVuuZwg">
+      <eAnnotations xmi:id="_WcctcBPqEeeYG4XOVuuZwg" source="org.eclipse.papyrus">
+        <details xmi:id="_WcdUgBPqEeeYG4XOVuuZwg" key="nature" value="UML_Nature"/>
+      </eAnnotations>
+      <ownedEnd xmi:id="_WciNABPqEeeYG4XOVuuZwg" name="class1" type="_Pcw-gBPqEeeYG4XOVuuZwg" association="_WcYcABPqEeeYG4XOVuuZwg"/>
+    </nestedClassifier>
+  </packagedElement>
+  <packagedElement xmi:type="uml:Class" xmi:id="_PyCq8BPqEeeYG4XOVuuZwg" name="Class2">
+    <ownedAttribute xmi:id="_RdmN0BPqEeeYG4XOVuuZwg" name="Attribute1">
+      <type xmi:type="uml:PrimitiveType" href="pathmap://UML_LIBRARIES/UMLPrimitiveTypes.library.uml#Real"/>
+    </ownedAttribute>
+  </packagedElement>
+</uml:Model>