diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 1bf2db17cc..3d904918b3 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -6243,8 +6243,9 @@ (define-public ruby-nokogiri
       #~(modify-phases %standard-phases
           (add-after 'install 'delete-mkmf.log
             (lambda _
-              ;; This build log captures non-deterministic file names (see:
-              ;; https://github.com/sparklemotion/nokogiri/issues/2755).
+              ;; Rubygems installs build log files that embed volatile file
+              ;; names (see:
+              ;; https://github.com/rubygems/rubygems/issues/6259).
               (for-each delete-file (find-files #$output "^mkmf\\.log$")))))))
     (native-inputs (list ruby-hoe))
     (inputs (list zlib libxml2 libxslt))