diff --git a/modules/lang/scheme/config.el b/modules/lang/scheme/config.el
index 4face46ed..67e5bfd6a 100644
--- a/modules/lang/scheme/config.el
+++ b/modules/lang/scheme/config.el
@@ -17,7 +17,7 @@
       :definition #'geiser-edit-symbol-at-point
       :documentation #'geiser-doc-symbol-at-point))
   :config
-  (set-popup-rule!
+  (set-popup-rules!
     '(("\\*[Gg]eiser \\(?:[Mm]essages\\|DBG\\|Xref\\)\\*" :quit nil)
       ( "\\* [A-Za-z0-9_-]+ REPL \\*" :quit nil)))
   (map! :localleader