diff --git a/debian/patches/use-installed-libraries.patch b/debian/patches/use-installed-libraries.patch
index 07fef65..3783496 100644
--- a/debian/patches/use-installed-libraries.patch
+++ b/debian/patches/use-installed-libraries.patch
@@ -1,8 +1,13 @@
-Description: Use installed libraries
-Author: Sophie Brun <sophie@freexian.com>
-Last-Update: 2017-09-21
+From: Sophie Brun <sophie@freexian.com>
+Date: Thu, 21 Sep 2017 16:14:38 +0200
+Subject: Use installed libraries
+
 ---
-This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
+ spec/spec_helper.rb | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
+index 7591dd7..a83e462 100644
 --- a/spec/spec_helper.rb
 +++ b/spec/spec_helper.rb
 @@ -3,8 +3,9 @@