diff --git a/home-environments/radio/manifests/guile.scm b/home-environments/radio/manifests/guile.scm
index 5a05121..2a1998b 100644
--- a/home-environments/radio/manifests/guile.scm
+++ b/home-environments/radio/manifests/guile.scm
@@ -1,8 +1,8 @@
 (use-modules (guix profiles)
-             (gnu packages scheme)
              (gnu packages guile)
              (gnu packages guile-xyz)
-             (radix packages guile-xyz))
+             (gnu packages mes)
+             (gnu packages scheme))
 
 (packages->manifest
   (list guile-machine-code
@@ -11,4 +11,5 @@
         guile-quickcheck
         guile-reader
         guile-smc
+        nyacc
         slib))