diff --git a/dev-ruby/prawn-svg/files/prawn-svg-0.35.1-rexml.patch b/dev-ruby/prawn-svg/files/prawn-svg-0.35.1-rexml.patch
index 49cf8cf511..eca7b874a8 100644
--- a/dev-ruby/prawn-svg/files/prawn-svg-0.35.1-rexml.patch
+++ b/dev-ruby/prawn-svg/files/prawn-svg-0.35.1-rexml.patch
@@ -1,5 +1,6 @@
 Raised error have changed since rexml 3.3.3. Expect any errors to make the test work.
 https://github.com/mogest/prawn-svg/pull/169
+https://bugs.gentoo.org/937362
 --- a/spec/prawn/svg/document_spec.rb
 +++ b/spec/prawn/svg/document_spec.rb
 @@ -28,7 +28,7 @@ describe Prawn::SVG::Document do