diff --git a/auto-complete-clang-async.el b/auto-complete-clang-async.el
index c9b059e..755ae64 100644
--- a/auto-complete-clang-async.el
+++ b/auto-complete-clang-async.el
@@ -266,7 +266,15 @@ set new cflags for ac-clang from shell command output"
              (push (propertize args 'ac-clang-help ret-f 'raw-args "") candidates)
              (when (string-match ", \\.\\.\\." args)
                (setq args (replace-regexp-in-string ", \\.\\.\\." "" args))
-               (push (propertize args 'ac-clang-help ret-f 'raw-args "") candidates)))))
+               (push (propertize args 'ac-clang-help ret-f 'raw-args "") candidates)))
+            (t
+             ;; Most likely this is a type with no arguments. We still need to
+             ;; add something to the candidate list. Otherwise, there is no way
+             ;; for the user to complete just a C++ class name, because
+             ;; completion will try to expand to a call to the class's
+             ;; constructor.
+             (push s candidates))))
+
     (cond (candidates
            (setq candidates (delete-dups candidates))
            (setq candidates (nreverse candidates))