diff --git a/src/Backends/REFPROP/REFPROPMixtureBackend.cpp b/src/Backends/REFPROP/REFPROPMixtureBackend.cpp
index f5354b9b..473ff319 100644
--- a/src/Backends/REFPROP/REFPROPMixtureBackend.cpp
+++ b/src/Backends/REFPROP/REFPROPMixtureBackend.cpp
@@ -432,10 +432,12 @@ void REFPROPMixtureBackend::set_REFPROP_fluids(const std::vector<std::string> &f
                 mole_fractions_liq.resize(N);
                 mole_fractions_vap.resize(N);
                 LoadedREFPROPRef = components_joined_raw;
+                if (get_debug_level() > 5){ std::cout << format("%s:%d: Successfully loaded REFPROP fluid: %s\n",__FILE__,__LINE__, components_joined.c_str()); }
                 if (dbg_refprop) std::cout << format("%s:%d: Successfully loaded REFPROP fluid: %s\n",__FILE__,__LINE__, components_joined.c_str());
                 return;
             }
             else if (k < number_of_endings-1){ // Keep going
+                if (get_debug_level() > 5){std::cout << "REFPROP error/warning:" << herr << std::endl;}
                 continue;
             }
             else