diff --git a/gnu/packages/datastructures.scm b/gnu/packages/datastructures.scm
index ac091500fc..cd4126b22d 100644
--- a/gnu/packages/datastructures.scm
+++ b/gnu/packages/datastructures.scm
@@ -39,8 +39,9 @@
     (source (origin
               (method git-fetch)
               (uri (git-reference
-                    (url "")            ; only hosted on Software Heritage
+                    (url "https://example.org") ;only hosted on Software Heritage
                     (commit "6adb53be8b8f9f2e4bbfc92d357eedeefb4c7430")))
+              (file-name (git-file-name name version))
               (sha256
                (base32
                 "0a52g12d9sf9hhcyvwfd7xdazj2a9i9jh97cnlqf2ymvwnvjk1g0"))))