diff --git a/debian/patches/bugfix/powerpc/powerpc-fix-mcpu-options-for-spe-only-compiler.patch b/debian/patches/bugfix/powerpc/powerpc-fix-mcpu-options-for-spe-only-compiler.patch
index cba37da85..14ff8bbd3 100644
--- a/debian/patches/bugfix/powerpc/powerpc-fix-mcpu-options-for-spe-only-compiler.patch
+++ b/debian/patches/bugfix/powerpc/powerpc-fix-mcpu-options-for-spe-only-compiler.patch
@@ -1,6 +1,7 @@
 From: Ben Hutchings <ben@decadent.org.uk>
 Date: Wed, 26 Dec 2018 00:00:40 +0000
 Subject: powerpc: Fix -mcpu= options for SPE-only compiler
+Forwarded: https://lists.debian.org/debian-kernel/2018/12/msg00295.html
 
 GCC for Debian's "powerpcspe" architecture only supports 32-bit
 SPE targets, and using -mcpu=powerpc or -mcpu=powerpc64 is a fatal