diff --git a/libcutl.spec b/libcutl.spec
index 40600096b3fd6d69ea28ddddf7f27bd981cf8061..fb74fd20faa934cf6b003b3a51db503dd7d4bfe3 100644
--- a/libcutl.spec
+++ b/libcutl.spec
@@ -48,6 +48,10 @@ rm -rv cutl/details/boost
 rm -rv cutl/details/expat
 
 %build
+CC="$CC -std=gnu89"
+export CXXFLAGS="-std=c++14 $RPM_OPT_FLAGS"
+%configure --disable-static --enable-shared
+
 # Use the system Boost and expat libraries
 confopts="--disable-static --with-external-expat %{?external_boost}"
 # If building on RHEL 5