diff --git a/src/Backends/Tabular/TabularBackends.cpp b/src/Backends/Tabular/TabularBackends.cpp
index d4cfb4ae..7349e80f 100644
--- a/src/Backends/Tabular/TabularBackends.cpp
+++ b/src/Backends/Tabular/TabularBackends.cpp
@@ -273,7 +273,7 @@ std::string CoolProp::TabularBackend::path_to_tables(void){
     std::vector<CoolPropDbl> fractions = AS->get_mole_fractions();
     std::vector<std::string> components;
     for (std::size_t i = 0; i < fluids.size(); ++i){
-        components.push_back(format("%s[%0.10f]", fluids[i].c_str(), fractions[i]));
+        components.push_back(format("%s[%0.10Lf]", fluids[i].c_str(), fractions[i]));
     }
     return get_home_dir() + "/.CoolProp/Tables/" + AS->backend_name() + "(" + strjoin(components, "&") + ")";
 }
diff --git a/src/Backends/Tabular/TabularBackends.h b/src/Backends/Tabular/TabularBackends.h
index 1a204443..f10a7bf6 100644
--- a/src/Backends/Tabular/TabularBackends.h
+++ b/src/Backends/Tabular/TabularBackends.h
@@ -519,7 +519,7 @@ class TabularBackend : public AbstractState
         void update(CoolProp::input_pairs input_pair, double Value1, double Value2){};
         void set_mole_fractions(const std::vector<CoolPropDbl> &mole_fractions){this->AS->set_mole_fractions(mole_fractions);};
         void set_mass_fractions(const std::vector<CoolPropDbl> &mass_fractions){};
-        const std::vector<long double> & get_mole_fractions(){throw NotImplementedError("get_mole_fractions not implemented for TTSE");};
+        const std::vector<long double> & get_mole_fractions(){return AS->get_mole_fractions();};
         CoolPropDbl calc_molar_mass(void){return AS->molar_mass();};
         virtual double evaluate_single_phase_phmolar(parameters output, std::size_t i, std::size_t j) = 0;
         virtual double evaluate_single_phase_pT(parameters output, std::size_t i, std::size_t j) = 0;