diff --git a/lisp/help-fns.el b/lisp/help-fns.el
index eb50f3b26ca..044bcf8b51f 100644
--- a/lisp/help-fns.el
+++ b/lisp/help-fns.el
@@ -995,7 +995,7 @@ Returns a list of the form (REAL-FUNCTION DEF ALIASED REAL-DEF)."
                                               (symbol-name function)))))))
 	 (real-def (cond
                     ((and aliased (not (subrp def)))
-                     (or (car (function-alias-p real-function))
+                     (or (car (function-alias-p real-function t))
                          real-function))
 		    ((subrp def) (intern (subr-name def)))
                     (t def))))