diff --git a/kf5-kirigami2.spec b/kf5-kirigami2.spec
index a30e31a..c439dea 100644
--- a/kf5-kirigami2.spec
+++ b/kf5-kirigami2.spec
@@ -45,6 +45,12 @@ BuildRequires: appstream
 BuildRequires: xorg-x11-server-Xvfb
 %endif
 
+# workaround https://bugs.kde.org/show_bug.cgi?id=395156
+%if 0%{?rhel}==7
+BuildRequires: devtoolset-7-toolchain
+BuildRequires: devtoolset-7-gcc-c++
+%endif
+
 Requires:      qt5-qtquickcontrols%{?_isa}
 Requires:      qt5-qtquickcontrols2%{?_isa}
 
@@ -65,6 +71,9 @@ developing applications that use %{name}.
 
 
 %build
+%if 0%{?rhel}==7
+. /opt/rh/devtoolset-7/enable
+%endif
 mkdir %{_target_platform}
 pushd %{_target_platform}
 %{cmake_kf5} .. \