diff --git a/test/triqs/gf/gf_scalar.cpp b/test/triqs/gf/gf_scalar.cpp
new file mode 100644
index 00000000..2abe9a48
--- /dev/null
+++ b/test/triqs/gf/gf_scalar.cpp
@@ -0,0 +1,22 @@
+//#define TRIQS_ARRAYS_ENFORCE_BOUNDCHECK
+#include <triqs/gfs.hpp> 
+using namespace triqs::gfs;
+
+#define TEST(X) std::cout << BOOST_PP_STRINGIZE((X)) << " ---> "<< (X) <<std::endl<<std::endl;
+
+int main() {
+
+
+ double beta =1;
+ auto G =  make_gf<imfreq, scalar_valued> (beta, Fermion);
+
+ triqs::clef::placeholder<0> om_;
+ G(om_) << 1/(om_ + 2.3);
+
+ // test hdf5 
+ H5::H5File file("gf_scalar.h5", H5F_ACC_TRUNC);
+ h5_write(file, "g", G);
+ h5_write(file, "gm", reinterpret_scalar_valued_gf_as_matrix_valued(G));
+
+
+}