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-rw-r--r--guix/import/gem.scm3
1 files changed, 2 insertions, 1 deletions
diff --git a/guix/import/gem.scm b/guix/import/gem.scm
index 3c28d1d9fd..c64c4e9374 100644
--- a/guix/import/gem.scm
+++ b/guix/import/gem.scm
@@ -105,8 +105,9 @@ VERSION, HASH, HOME-PAGE, DESCRIPTION, DEPENDENCIES, and LICENSES."
      (description ,description)
      (home-page ,home-page)
      (license ,(match licenses
+                 (() #f)
                  ((license) (license->symbol license))
-                 (_ (map license->symbol licenses))))))
+                 (_ `(list ,@(map license->symbol licenses)))))))
 
 (define* (gem->guix-package package-name #:optional version)
   "Fetch the metadata for PACKAGE-NAME from rubygems.org, and return the