diff --git a/src/include/units/physical/si/conductance.h b/src/include/units/physical/si/conductance.h
index 44ca2021..fa79ba31 100644
--- a/src/include/units/physical/si/conductance.h
+++ b/src/include/units/physical/si/conductance.h
@@ -29,7 +29,7 @@
 
 namespace units::si {
 
-struct siemens : named_unit<siemens, {"S", "siemens"}, prefix> {};
+struct siemens : named_unit<siemens, "S", prefix> {};
 struct millisiemens : prefixed_unit<millisiemens, milli, siemens> {};
 struct microsiemens : prefixed_unit<microsiemens, micro, siemens> {};
 struct nanosiemens : prefixed_unit<nanosiemens, nano, siemens> {};
diff --git a/test/unit_test/static/si_test.cpp b/test/unit_test/static/si_test.cpp
index 817130e0..d941d1ed 100644
--- a/test/unit_test/static/si_test.cpp
+++ b/test/unit_test/static/si_test.cpp
@@ -302,7 +302,7 @@ static_assert(detail::unit_text<dim_current_density, ampere_per_metre_sq>() == b
 // concentration
 
 static_assert(1q_mol_per_m3 == 1q_kg_per_m3 * 1q_mol / 1q_kg);
-static_assert(detail::unit_text<dim_concentration, ampere_per_metre_sq>() == basic_symbol_text("mol/m³", "mol/m^2"));
+static_assert(detail::unit_text<dim_concentration, ampere_per_metre_sq>() == basic_symbol_text("mol/m³", "mol/m^3"));
 
 // luminance
 
@@ -321,7 +321,7 @@ static_assert(1q_J_per_K * 1q_K == 1q_s * 1q_N * 1q_m_per_s);
 static_assert(1q_J_per_mol_K == 1q_J_per_K / 1q_mol);
 
 static_assert(detail::unit_text<dim_heat_capacity, joule_per_kelvin>() == "J/K");
-static_assert(detail::unit_text<dim_specific_heat_capacity, joule_per_kilogram_kelvin>() == basic_symbol_text("J ⋅ K⁻¹ ⋅ kg⁻¹", "J kg^-1 K^-1"));
+static_assert(detail::unit_text<dim_specific_heat_capacity, joule_per_kilogram_kelvin>() == basic_symbol_text("J ⋅ K⁻¹ ⋅ kg⁻¹", "J K^-1 kg^-1"));
 
 // thermal conductivity