diff --git a/org-ql-agenda.el b/org-ql-agenda.el
index 1ed586a..33d3087 100644
--- a/org-ql-agenda.el
+++ b/org-ql-agenda.el
@@ -228,8 +228,9 @@ TITLE: An optional string displayed in the header."
                      :groups (pcase (completing-read "Group by: "
                                                      (append (list "Don't group"
                                                                    "Global groups")
-                                                             (cl-loop for type in org-super-agenda-auto-selector-keywords
-                                                                      collect (substring (symbol-name type) 6))))
+                                                             (when (bound-and-true-p org-super-agenda-auto-selector-keywords)
+                                                               (cl-loop for type in org-super-agenda-auto-selector-keywords
+                                                                        collect (substring (symbol-name type) 6)))))
                                ("Global groups" org-super-agenda-groups)
                                ("Don't group" nil)
                                (property (list (list (intern (concat ":auto-" property))))))