diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm
index 4834da9271..1f835ca5a5 100644
--- a/guix/scripts/package.scm
+++ b/guix/scripts/package.scm
@@ -321,6 +321,7 @@ of relevance scores."
                      (package->manifest-entry pkg output)
                      transaction))))))))
        (#f
+        (warning (G_ "package '~a' no longer exists~%") name)
         transaction)))))