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-rw-r--r--guix/import/cran.scm3
1 files changed, 2 insertions, 1 deletions
diff --git a/guix/import/cran.scm b/guix/import/cran.scm
index 6ae00cae96..2a631c6b1c 100644
--- a/guix/import/cran.scm
+++ b/guix/import/cran.scm
@@ -737,7 +737,8 @@ from the alist META, which was derived from the R package's DESCRIPTION file."
(name (assoc-ref meta "Package"))
(synopsis (assoc-ref meta "Title"))
(version (assoc-ref meta "Version"))
- (license (string->licenses (assoc-ref meta "License") license-prefix))
+ (license (and=> (assoc-ref meta "License")
+ (cut string->licenses <> license-prefix)))
;; Some packages have multiple home pages. Some have none.
(home-page (case repository
((git) (assoc-ref meta 'git))