diff --git a/kf5-sonnet.spec b/kf5-sonnet.spec
index 3a81b95..83e3238 100644
--- a/kf5-sonnet.spec
+++ b/kf5-sonnet.spec
@@ -2,7 +2,7 @@
 
 Name:           kf5-%{framework}
 Version:        5.13.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        KDE Frameworks 5 Tier 1 solution for spell checking
 
 License:        LGPLv2+
@@ -70,6 +70,10 @@ GUI part of the Sonnet framework provides widgets with spell checking support.
 
 
 %build
+# HACK to avoid multilib conflicts in /usr/share/kf5/sonnet/trigrams.map
+# https://bugzilla.redhat.com/show_bug.cgi?id=1262746
+QT_HASH_SEED=0; export QT_HASH_SEED
+
 mkdir %{_target_platform}
 pushd %{_target_platform}
 %{cmake_kf5} ..
@@ -115,6 +119,9 @@ make install/fast DESTDIR=%{buildroot} -C %{_target_platform}
 
 
 %changelog
+* Mon Sep 14 2015 Rex Dieter <rdieter@fedoraproject.org> 5.13.0-2
+- QT_HASH_SEED=0, to workaround multilib conflicts (#1262746)
+
 * Wed Aug 19 2015 Daniel Vrátil <dvratil@redhat.com> - 5.13.0-1
 - KDE Frameworks 5.13.0