diff --git a/triqs/gfs/gf.hpp b/triqs/gfs/gf.hpp
index 993ce51b..2fbf325a 100644
--- a/triqs/gfs/gf.hpp
+++ b/triqs/gfs/gf.hpp
@@ -574,6 +574,12 @@ namespace gfs {
   gf_const_view<D, Target, Opt> g;
  };
 
+ // Cf gf
+ template <typename RHS, typename Variable, typename Target, typename Opt>
+ void triqs_clef_auto_assign(gf_view<Variable, Target, Opt> &g, RHS const &rhs) {
+  triqs_clef_auto_assign( static_cast<gf_impl<Variable, Target, Opt, true, false>&>(g), rhs);
+ }
+
  // ---------------------------------- slicing ------------------------------------
 
  // slice