diff --git a/antlr-bootstrap.spec b/antlr-bootstrap.spec
index 964f539..041b880 100644
--- a/antlr-bootstrap.spec
+++ b/antlr-bootstrap.spec
@@ -38,6 +38,7 @@ This antlr package is used for bootstrapping purposes only.
 find | grep "\(ShowString.java$\|StreamConverter.java$\)" && exit 42 || :
 
 %build
+%global _lto_cflags %{_lto_cflags} -ffat-lto-objects
 #>>> some useful functions ... used throughout bootstrap packages
 # variables:
 TARGET_DIR=`pwd`
diff --git a/antlr.changes b/antlr.changes
index 14d1968..074dc16 100644
--- a/antlr.changes
+++ b/antlr.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Aug  2 06:53:31 UTC 2019 - Martin Liška <mliska@suse.cz>
+
+- Use FAT LTO objects in order to provide proper static library.
+
 -------------------------------------------------------------------
 Wed Jul 31 08:51:20 UTC 2019 - Martin Liška <mliska@suse.cz>
 
diff --git a/antlr.spec b/antlr.spec
index c13afdb..f7a1d5d 100644
--- a/antlr.spec
+++ b/antlr.spec
@@ -123,6 +123,7 @@ find | grep "\(ShowString.java$\|StreamConverter.java$\)" && exit 42 || :
 
 %build
 %global _lto_cflags %{_lto_cflags} -ffat-lto-objects
+%global _lto_cflags %{_lto_cflags} -ffat-lto-objects
 ant \
     -Dj2se.apidoc=%{_javadocdir}/java \
     -Dant.build.javac.source=8 -Dant.build.javac.target=8 \