diff --git a/openscad.changes b/openscad.changes
index 443cacd..3efb25c 100644
--- a/openscad.changes
+++ b/openscad.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Oct  2 08:10:59 UTC 2020 - Dirk Stoecker <opensuse@dstoecker.de>
+
+- fix build with new C++ compilers
+
 -------------------------------------------------------------------
 Thu Aug 20 09:03:01 UTC 2020 - Martin Liška <mliska@suse.cz>
 
diff --git a/openscad.spec b/openscad.spec
index 9658ec6..e6ad0e8 100644
--- a/openscad.spec
+++ b/openscad.spec
@@ -60,7 +60,7 @@ aspects, e.g. modelling of machine parts.
 %setup -q -n %{name}-%{version}
 
 %build
-qmake-qt5 PREFIX=%{_prefix} QMAKE_CXXFLAGS="%{optflags}" CONFIG+=qopenglwidget
+qmake-qt5 PREFIX=%{_prefix} QMAKE_CXXFLAGS="%{optflags}" CONFIG+=qopenglwidget CONFIG+=c++14
 make %{?_smp_mflags}
 
 %install