diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
index 46bfdb72245..817297ddc16 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
@@ -8816,4 +8816,22 @@ public class AST2TemplateTests extends AST2TestBase {
 	public void testAmbiguityResolutionOrder_462348b() throws Exception {
 		parseAndCheckBindings();
 	}
+	
+	//	template <typename>
+	//	struct Base {
+	//	    template <typename>
+	//	    void method(int);
+	//	};
+	//
+	//	template <typename V>
+	//	struct C : Base<V> {
+	//	  typedef int WALDO;
+	//
+	//	  C() {
+	//	    this->template method<WALDO>(0);    
+	//	  }
+	//	};
+	public void testRegression_421823() throws Exception {
+		parseAndCheckBindings();
+	}
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
index 2d24255257d..6071b15347b 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
@@ -217,6 +217,7 @@ import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPScope;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateNonTypeArgument;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateParameterMap;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPUnknownConstructor;
+import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPUnknownField;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPUnknownMemberClass;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPUnknownMethod;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPUsingDeclaration;
@@ -497,8 +498,10 @@ public class CPPSemantics {
 		if (binding == null && data.skippedScope != null) {
 			if (namePropertyInParent == IASTNamedTypeSpecifier.NAME) {
 				binding= new CPPUnknownMemberClass(data.skippedScope, name.getSimpleID());
-			} else {
+			} else if (data.isFunctionCall()) {
 				binding= new CPPUnknownMethod(data.skippedScope, name.getSimpleID());
+			} else {
+				binding= new CPPUnknownField(data.skippedScope, name.getSimpleID());
 			}
 		}
 
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/LookupData.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/LookupData.java
index 8664a3bc8c1..51426f5eb33 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/LookupData.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/LookupData.java
@@ -186,6 +186,9 @@ public class LookupData extends ScopeLookupData {
 			fDeclarator= (IASTDeclarator) nameParent;
 		} else if (nameParent instanceof IASTFieldReference) {
 			qualified= true;
+			if (nameParent.getPropertyInParent() == IASTFunctionCallExpression.FUNCTION_NAME) {
+				fFunctionCall= true;
+			}
 		} else if (nameParent instanceof IASTIdExpression) {
 			if (nameParent.getPropertyInParent() == IASTFunctionCallExpression.FUNCTION_NAME) {
 				fFunctionCall= true;