diff --git a/mnemosyne.spec b/mnemosyne.spec
index 827b5b1..ef6bb29 100644
--- a/mnemosyne.spec
+++ b/mnemosyne.spec
@@ -1,13 +1,15 @@
 Name:		mnemosyne
 Summary:	Flash-card learning tool
 Version:	2.4
-Release:	3%{?dist}
+Release:	4%{?dist}
 URL:		http://www.mnemosyne-proj.org/
 Source0:	http://downloads.sourceforge.net/sourceforge/mnemosyne-proj/Mnemosyne-%{version}.tar.gz
 Patch0:		mnemosyne-desktop.patch
 License:	AGPLv3
 
 BuildArch:	noarch
+# no python3-qt5-webengine on power64
+ExcludeArch:	ppc64 ppc64le
 BuildRequires:	desktop-file-utils
 BuildRequires:	python3-devel
 BuildRequires:	python3-setuptools
@@ -74,6 +76,9 @@ fi
 %{_datadir}/icons/hicolor/*/apps/%{name}.png
 
 %changelog
+* Wed Mar 22 2017 Jiri Popelka <jpopelka@redhat.com> - 2.4-4
+- no python3-qt5-webengine on power64
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.4-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild