diff --git a/glicid/packages/r.scm b/glicid/packages/r.scm
index cdca965..5a729d0 100644
--- a/glicid/packages/r.scm
+++ b/glicid/packages/r.scm
@@ -27,7 +27,7 @@
                )
 
 ; stolen from r-with-tests @ (gnu packages statistics
-(define R
+(define-public R
   (package
     (name "R")
     (version "4.3.1")