diff --git a/grub2.changes b/grub2.changes
index ec67cd8..c8d7e76 100644
--- a/grub2.changes
+++ b/grub2.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Jul 24 13:39:25 UTC 2017 - bwiedemann@suse.com
+
+- Make grub2.info build reproducible (boo#1047218)
+
 -------------------------------------------------------------------
 Tue Jul  4 16:56:33 UTC 2017 - arvidjaar@gmail.com
 
diff --git a/grub2.spec b/grub2.spec
index cd6de16..f03484c 100644
--- a/grub2.spec
+++ b/grub2.spec
@@ -524,6 +524,11 @@ swap partition while in resuming
 %patch409 -p1
 %patch410 -p1
 %patch411 -p1
+# patches above may update the timestamp of grub.texi
+# and via build-aux/mdate-sh they end up in grub2.info, breaking build-compare
+[ -z "$SOURCE_DATE_EPOCH" ] ||\
+  [ `stat -c %Y docs/grub.texi` -lt $SOURCE_DATE_EPOCH ] ||\
+  touch -d@$SOURCE_DATE_EPOCH docs/grub.texi
 
 # This simplifies patch handling without need to use git to create patch
 # that renames file