diff --git a/guix/import/opam.scm b/guix/import/opam.scm
index fe13d29f03..0804526e3a 100644
--- a/guix/import/opam.scm
+++ b/guix/import/opam.scm
@@ -318,7 +318,7 @@ (define* (opam-fetch name #:optional (repositories-specs '("opam")))
                 (_ others)))
             #f
             (filter-map get-opam-repository repositories-specs))
-      (leave (G_ "package '~a' not found~%") name)))
+      (warning (G_ "opam: package '~a' not found~%") name)))
 
 (define* (opam->guix-package name #:key (repo '()) version)
   "Import OPAM package NAME from REPOSITORIES (a list of names, URLs or local