diff --git a/0001-Related-tdf-116951-rhbz-1569331-end-should-be-in-ter.patch b/0001-Related-tdf-116951-rhbz-1569331-end-should-be-in-ter.patch
new file mode 100644
index 0000000..281fe5d
--- /dev/null
+++ b/0001-Related-tdf-116951-rhbz-1569331-end-should-be-in-ter.patch
@@ -0,0 +1,43 @@
+From cff779551db2eedf5b16d49213fc5e2179414256 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
+Date: Thu, 19 Apr 2018 20:12:40 +0100
+Subject: [PATCH] Related: tdf#116951 rhbz#1569331 end should be in terms of
+ unicode chars
+
+not bytes
+
+Change-Id: I05114019abb6c283586cd5c23ed1d148c9cf71d3
+---
+ vcl/unx/gtk/gtksalframe.cxx   | 2 +-
+ vcl/unx/gtk3/gtk3gtkframe.cxx | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/vcl/unx/gtk/gtksalframe.cxx b/vcl/unx/gtk/gtksalframe.cxx
+index 9fd86abccc3d..ad4b00d26927 100644
+--- a/vcl/unx/gtk/gtksalframe.cxx
++++ b/vcl/unx/gtk/gtksalframe.cxx
+@@ -3560,7 +3560,7 @@ void GtkSalFrame::IMHandler::signalIMPreeditChanged( GtkIMContext*, gpointer im_
+ 
+         pango_attr_iterator_range (iter, &start, &end);
+         if (end == G_MAXINT)
+-            end = pText ? strlen (pText) : 0;
++            end = pText ? g_utf8_strlen(pText, -1) : 0;
+         if (end == start)
+             continue;
+ 
+diff --git a/vcl/unx/gtk3/gtk3gtkframe.cxx b/vcl/unx/gtk3/gtk3gtkframe.cxx
+index 1db3a469973f..113fcb425963 100644
+--- a/vcl/unx/gtk3/gtk3gtkframe.cxx
++++ b/vcl/unx/gtk3/gtk3gtkframe.cxx
+@@ -3978,7 +3978,7 @@ void GtkSalFrame::IMHandler::signalIMPreeditChanged( GtkIMContext*, gpointer im_
+ 
+         pango_attr_iterator_range (iter, &start, &end);
+         if (end == G_MAXINT)
+-            end = pText ? strlen (pText) : 0;
++            end = pText ? g_utf8_strlen(pText, -1) : 0;
+         if (end == start)
+             continue;
+ 
+-- 
+2.14.3
+
diff --git a/libreoffice.spec b/libreoffice.spec
index c515a1f..1d26db4 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -277,6 +277,7 @@ Patch5: 0001-request-installation-of-langpack-via-packagekit.patch
 Patch6: 0001-rhbz-1392145-ensure-titlebar-close-button-matches-ou.patch
 Patch7: 0001-Related-rhbz-1396729-use-cairo_surface_create_simila.patch
 Patch8: 0001-tdf-95843-Wait-for-fire_glxtest_process-also-in-head.patch
+Patch9: 0001-Related-tdf-116951-rhbz-1569331-end-should-be-in-ter.patch
 
 %if 0%{?rhel}
 # not upstreamed
@@ -2326,8 +2327,9 @@ done
 %{_includedir}/LibreOfficeKit
 
 %changelog
-* Thu Apr 19 2018 Stephan Bergmann <sbergman@redhat.com> - 1:6.0.3.2-4-UNBUILT
+* Thu Apr 19 2018 Stephan Bergmann <sbergman@redhat.com> - 1:6.0.3.2-4
 - Resolves: rhbz#1568579 LibreOffice --headless zombie process
+- Related: rhbz#1569331 end should be in terms of unicode chars, not bytes
 
 * Tue Apr 17 2018 Caolán McNamara <caolanm@redhat.com> - 1:6.0.3.2-3
 - Related: rhbz#1396729 use cairo_surface_create_similar