diff --git a/codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/NonVirtualDestructorChecker.java b/codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/NonVirtualDestructorChecker.java
index bb9df540d7b..9895b75b2e4 100644
--- a/codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/NonVirtualDestructorChecker.java
+++ b/codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/NonVirtualDestructorChecker.java
@@ -30,10 +30,12 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTVisibilityLabel;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPBase;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateTypeParameter;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.ClassTypeHelper;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPDeferredClassInstance;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPInternalBinding;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPSemantics;
+import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPTemplates;
 
 /**
  * Checker to find that class has virtual method and non virtual destructor
@@ -73,6 +75,10 @@ public class NonVirtualDestructorChecker extends AbstractIndexAstChecker {
 		if (destructor != null && destructor.isVirtual()) {
 			return true;
 		}
+		//We can't say anything in this case, so return true to avoid false positive
+		if (destructor == null && CPPTemplates.isDependentType(classType)) {
+			return true;
+		}
 		ICPPBase[] bases = classType.getBases();
 		for (ICPPBase base : bases) {
 			IBinding baseClass = base.getBaseClass();
@@ -81,6 +87,9 @@ public class NonVirtualDestructorChecker extends AbstractIndexAstChecker {
 				if (!checkedClassTypes.contains(cppClassType) && hasVirtualDestructor(cppClassType)) {
 					return true;
 				}
+			} else if (baseClass instanceof ICPPTemplateTypeParameter) {
+				//We can't say anything in this case, so return true to avoid false positive
+				return true;
 			}
 		}
 		return false;
diff --git a/codan/org.eclipse.cdt.codan.core.tests/src/org/eclipse/cdt/codan/core/internal/checkers/NonVirtualDestructorCheckerTest.java b/codan/org.eclipse.cdt.codan.core.tests/src/org/eclipse/cdt/codan/core/internal/checkers/NonVirtualDestructorCheckerTest.java
index d4001cce2b0..c24bf9f7043 100644
--- a/codan/org.eclipse.cdt.codan.core.tests/src/org/eclipse/cdt/codan/core/internal/checkers/NonVirtualDestructorCheckerTest.java
+++ b/codan/org.eclipse.cdt.codan.core.tests/src/org/eclipse/cdt/codan/core/internal/checkers/NonVirtualDestructorCheckerTest.java
@@ -248,4 +248,34 @@ public class NonVirtualDestructorCheckerTest extends CheckerTestCase {
 		loadCodeAndRun(getAboveComment());
 		checkNoErrors();
 	}
+
+	//template<typename T>
+	//class Base;
+	//template <typename T>
+	//class A {
+	//    using type = Base<T>;
+	//};
+	//template<typename T>
+	//class B: public A<T>::type {
+	//  virtual void f() {}
+	//};
+	public void testDeferredClasses1_Bug468742() throws Exception {
+		loadCodeAndRun(getAboveComment());
+		checkNoErrors();
+	}
+
+	//struct Root {
+	//};
+	//template<typename T>
+	//class A: public T {
+	//public:
+	//  virtual int f() const = 0;
+	//};
+	//typedef A<Root> B;
+	//class C: public A<Root> {
+	//};
+	public void testDeferredClasses2_Bug468742() throws Exception {
+		loadCodeAndRun(getAboveComment());
+		checkErrorLine(9);
+	}
 }