diff --git a/glicid/utils.scm b/glicid/utils.scm
index 7d5cf81..2c9029e 100644
--- a/glicid/utils.scm
+++ b/glicid/utils.scm
@@ -38,8 +38,8 @@
 (define (instead-of package-a-spec package-b) 
  (package-input-rewriting/spec `(
                                   (,package-a-spec . ,(const package-b)
-                                  ) 
-                                ;  #:deep? #t
+                                ) 
+                                #:deep? #t
                                  )
   )
 )