diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMFile.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMFile.java
index 9bc83bba622..b1df1c7ac12 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMFile.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMFile.java
@@ -423,7 +423,7 @@ public class PDOMFile implements IIndexFragmentFile {
 	}
 	
 	public boolean hasNames() throws CoreException {
-		return getFirstName()!=null;
+		return getFirstName()!=null || getFirstMacro() != null || getFirstInclude() != null;
 	}
 
 	public void convertIncludersToUnresolved() throws CoreException {