diff --git a/mupdf.changes b/mupdf.changes
index 0d871db..79602e3 100644
--- a/mupdf.changes
+++ b/mupdf.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Sep 10 11:41:20 UTC 2019 - Christophe Giboudeaux <christophe@krop.fr>
+
+- Use -ffat-lto-objects when building static libraries.
+
 -------------------------------------------------------------------
 Wed Aug 14 23:38:39 UTC 2019 - Xaver Hellauer <xaver@hellauer.bayern>
 
diff --git a/mupdf.spec b/mupdf.spec
index 1af848c..f684b75 100644
--- a/mupdf.spec
+++ b/mupdf.spec
@@ -93,6 +93,7 @@ echo > user.make "\
 "
 
 %build
+%global _lto_cflags %{_lto_cflags} -ffat-lto-objects
 export XCFLAGS="%{optflags} -fPIC -DJBIG_NO_MEMENTO -DTOFU -DTOFU_CJK"
 make %{?_smp_mflags} build=release verbose=yes