diff --git a/x3270-fix-build.patch b/x3270-fix-build.patch
new file mode 100644
index 0000000..7e7060b
--- /dev/null
+++ b/x3270-fix-build.patch
@@ -0,0 +1,12 @@
+--- suite3270-3.5/Common/glue.c.xx	2019-09-05 13:50:52.022888065 +0200
++++ suite3270-3.5/Common/glue.c	2019-09-05 13:50:59.174886673 +0200
+@@ -1470,7 +1470,9 @@
+ 
+ /* Replacements for functions in popups.c. */
+ 
++/*
+ bool error_popup_visible = false;
++*/
+ 
+ /* Pop up an error dialog. */
+ void
diff --git a/x3270.changes b/x3270.changes
index 26de48d..84f5cbf 100644
--- a/x3270.changes
+++ b/x3270.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Sep  5 11:59:49 UTC 2019 - Marcus Meissner <meissner@suse.com>
+
+- x3270-fix-build.patch: fixed a bug triggered by LTO, commented
+  out incompat definition.
+
 -------------------------------------------------------------------
 Sat Jul 14 12:41:10 UTC 2018 - bwiedemann@suse.com
 
diff --git a/x3270.spec b/x3270.spec
index 66e9da4..37e973a 100644
--- a/x3270.spec
+++ b/x3270.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package x3270
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -36,6 +36,7 @@ Patch105:       x3270-missing-include.patch
 Patch106:       x3270-missing-file.patch
 Patch107:       reproducible.patch
 Patch108:       mkversion.patch
+Patch109:       x3270-fix-build.patch
 BuildRequires:  bdftopcf
 BuildRequires:  fdupes
 BuildRequires:  fontpackages-devel
@@ -108,6 +109,7 @@ x026 is a fun toy which emulates an x026 puncher.
 %patch105 -p1
 %patch106 -p1
 %patch107 -p1
+%patch109 -p1
 for d in x3270 c3270 s3270 tcl3270 pr3287 ; do
 (cd $d
 %patch108 -p2