diff --git a/0001-workaround-internal-compiler-error.patch b/0001-workaround-internal-compiler-error.patch
new file mode 100644
index 0000000..105f6d0
--- /dev/null
+++ b/0001-workaround-internal-compiler-error.patch
@@ -0,0 +1,25 @@
+From 06acb7b4cb3a476b359449b9042534f99e6bc02c Mon Sep 17 00:00:00 2001
+From: rpmbuild <rpmbuild@fedoraproject.org>
+Date: Fri, 24 Jul 2020 20:37:13 +0100
+Subject: [PATCH] workaround internal compiler error
+
+---
+ vcl/workben/vcldemo.cxx | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/vcl/workben/vcldemo.cxx b/vcl/workben/vcldemo.cxx
+index 74dc6fb..9655a77 100644
+--- a/vcl/workben/vcldemo.cxx
++++ b/vcl/workben/vcldemo.cxx
+@@ -1730,7 +1730,7 @@ class DemoWin : public WorkWindow
+         }
+         virtual ~RenderThread() override
+         {
+-            join();
++            salhelper::Thread::join();
+         }
+         virtual void execute() override
+         {
+-- 
+2.26.2
+
diff --git a/libreoffice.spec b/libreoffice.spec
index f39b57b..656df95 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -54,7 +54,7 @@ Summary:        Free Software Productivity Suite
 Name:           libreoffice
 Epoch:          1
 Version:        %{libo_version}.2
-Release:        2%{?libo_prerelease}%{?dist}
+Release:        3%{?libo_prerelease}%{?dist}
 License:        (MPLv1.1 or LGPLv3+) and LGPLv3 and LGPLv2+ and BSD and (MPLv1.1 or GPLv2 or LGPLv2 or Netscape) and Public Domain and ASL 2.0 and MPLv2.0 and CC0
 URL:            http://www.libreoffice.org/
 
@@ -249,6 +249,7 @@ Patch5: 0001-Flatpak-Add-app-bin-libreoffice-app-libreoffice-prog.patch
 Patch6: 0001-Restructure-solenv-bin-assemble-flatpak.sh.patch
 Patch7: 0001-Related-tdf-127782-resize-the-print-dialog-to-its-op.patch
 Patch8: 0001-fix-f33-build.patch
+Patch9: 0001-workaround-internal-compiler-error.patch
 
 %if 0%{?rhel}
 # not upstreamed
@@ -2232,6 +2233,9 @@ done
 %{_includedir}/LibreOfficeKit
 
 %changelog
+* Fri Jul 24 2020 Caolán McNamara <caolanm@redhat.com> - 1:6.4.5.2-3
+- Related: rhbz#1859588 workaround vcldemo ICE
+
 * Tue Jul 14 2020 Jiri Vanek <jvanek@redhat.com> - 1:6.4.5.2-2
 - Rebuilt for JDK-11, see https://fedoraproject.org/wiki/Changes/Java11