diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTFieldReference.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTFieldReference.java
index 89d24112b7c..35c35b6479f 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTFieldReference.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTFieldReference.java
@@ -19,6 +19,7 @@ package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
 import static org.eclipse.cdt.core.dom.ast.IASTExpression.ValueCategory.LVALUE;
 import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.ALLCVQ;
+import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.TDEF;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -353,7 +354,7 @@ public class CPPASTFieldReference extends ASTNode
 	}
 
 	public static int getFieldPosition(IBinding binding, IType ownerType) {
-		final IType nestedType = SemanticUtil.getNestedType(ownerType, ALLCVQ);
+		final IType nestedType = SemanticUtil.getNestedType(ownerType, ALLCVQ | TDEF);
 		if (nestedType instanceof ICPPClassType && binding instanceof ICPPField) {
 			final ICPPField field = (ICPPField) binding;
 			return getFieldPosition(field);
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalCompositeAccess.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalCompositeAccess.java
index f19ee155716..7adf5900108 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalCompositeAccess.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalCompositeAccess.java
@@ -19,6 +19,7 @@ import org.eclipse.cdt.core.dom.ast.IASTExpression.ValueCategory;
 import org.eclipse.cdt.core.dom.ast.IArrayType;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IField;
+import org.eclipse.cdt.core.dom.ast.IProblemType;
 import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
@@ -119,6 +120,8 @@ public final class EvalCompositeAccess implements ICPPEvaluation {
 			return parameterPackType.getTypes()[elementId];
 		} else if (type instanceof ICPPBasicType) {
 			return type;
+		} else if (type instanceof IProblemType) {
+			return type;
 		}
 		return null;
 	}