diff --git a/gwenhywfar.changes b/gwenhywfar.changes
index 0aa7ae9..a01e52c 100644
--- a/gwenhywfar.changes
+++ b/gwenhywfar.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Nov 27 10:00:09 UTC 2017 - dimstar@opensuse.org
+
+- Conditionalize usage of qt4 libs
+
 -------------------------------------------------------------------
 Sat Jun 10 11:17:28 UTC 2017 - wbauer@tmo.at
 
diff --git a/gwenhywfar.spec b/gwenhywfar.spec
index 50f8c9b..178d2a1 100644
--- a/gwenhywfar.spec
+++ b/gwenhywfar.spec
@@ -15,6 +15,7 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
+%bcond_with qt4
 
 %define	libversion	60
 %define devversion 4.17
@@ -32,7 +33,9 @@ BuildRequires:  gnutls-devel >= 3.0
 BuildRequires:  gtk2-devel >= 1.4
 BuildRequires:  libgcrypt-devel >= 1.2.0
 BuildRequires:  libopenssl-devel
+%if %{with qt4}
 BuildRequires:  libqt4-devel
+%endif
 BuildRequires:  cmake(Qt5Concurrent)
 BuildRequires:  cmake(Qt5Core)
 BuildRequires:  cmake(Qt5DBus)
@@ -170,7 +173,9 @@ Requires:       glibc-devel
 Requires:       lib%{name}%{libversion} = %{version}
 Requires:       libgwengui-fox16-0 = %{version}
 Requires:       libgwengui-gtk2-0 = %{version}
+%if %{with qt4}
 Requires:       libgwengui-qt4-0 = %{version}
+%endif
 Requires:       libgwengui-qt5-0 = %{version}
 
 %description devel
@@ -194,8 +199,10 @@ export CPP
 	--enable-full-doc\
 	--with-docpath=%{_docdir}/%{name}/api \
 	--disable-static \
+%if %{with qt4}
 	--with-qt4-libs=%{_libdir} \
-	--with-guis="fox16 qt4 qt5 gtk2" \
+%endif
+	--with-guis="fox16 %{?with qt4:qt4} qt5 gtk2" \
 	--with-plugins-cfgmgr=all \
 	--with-pic
 %__make %{?smp_mflags}
@@ -230,9 +237,11 @@ rm -rf %{buildroot}
 
 %postun -n libgwengui-gtk2-0 -p /sbin/ldconfig
 
+%if %{with qt4}
 %post -n libgwengui-qt4-0 -p /sbin/ldconfig
 
 %postun -n libgwengui-qt4-0 -p /sbin/ldconfig
+%endif
 
 %post -n libgwengui-fox16-0 -p /sbin/ldconfig
 
@@ -275,9 +284,11 @@ rm -rf %{buildroot}
 %defattr (-, root, root)
 %{_libdir}/libgwengui-gtk2.so.*
 
+%if %{with qt4}
 %files -n libgwengui-qt4-0
 %defattr (-, root, root)
 %{_libdir}/libgwengui-qt4.so.*
+%endif
 
 %files -n libgwengui-qt5-0
 %defattr (-, root, root)
@@ -297,13 +308,15 @@ rm -rf %{buildroot}
 %{_libdir}/*.so
 %{_libdir}/pkgconfig/%{name}.pc
 %{_libdir}/pkgconfig/gwengui-gtk2.pc
+%if %{with qt4}
 %{_libdir}/pkgconfig/gwengui-qt4.pc
+%{_libdir}/cmake/gwengui-qt4-%{devversion}
+%endif
 %{_libdir}/pkgconfig/gwengui-qt5.pc
 %{_libdir}/pkgconfig/gwengui-fox16.pc
 %dir %{_libdir}/cmake
 %{_libdir}/cmake/%{name}-%{devversion}
 %{_libdir}/cmake/gwengui-cpp-%{devversion}
-%{_libdir}/cmake/gwengui-qt4-%{devversion}
 %{_libdir}/cmake/gwengui-qt5-%{devversion}
 
 %files lang -f %{name}.lang