diff --git a/elfeed-summary.el b/elfeed-summary.el
index 56ec38f..0795fb0 100644
--- a/elfeed-summary.el
+++ b/elfeed-summary.el
@@ -123,7 +123,7 @@
                           (cons :tag "Tags"
                                 (const :tag "Tags" :tags)
                                 (repeat symbol))
-                          (cons (cons :tag "Add the default filter string" :add-default)
+                          (cons (const :tag "Add the default filter string" :add-default)
                                 (boolean :tag "Add the default filter string")))))
            (const :tag "Misc feeds" :misc))))