diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index 4dc7f6c..8a1b9f2 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Jun  4 07:31:01 UTC 2017 - wr@rosenauer.org
+
+- remove legacy -Os optimization breaking gcc7/i586 (boo#1042090)
+
 -------------------------------------------------------------------
 Thu Jun  1 06:09:23 UTC 2017 - wr@rosenauer.org