diff --git a/include/cantera/transport/MixTransport.h b/include/cantera/transport/MixTransport.h
index 79fed77e5e..9dbb143daf 100644
--- a/include/cantera/transport/MixTransport.h
+++ b/include/cantera/transport/MixTransport.h
@@ -60,7 +60,7 @@ class MixTransport : public GasTransport
     MixTransport();
 
     virtual std::string transportType() const {
-        return "Mix";
+        return (m_mode == CK_Mode) ? "CK_Mix" : "Mix";
     }
 
     //! Return the thermal diffusion coefficients
diff --git a/include/cantera/transport/MultiTransport.h b/include/cantera/transport/MultiTransport.h
index ea9da53202..9d79879d11 100644
--- a/include/cantera/transport/MultiTransport.h
+++ b/include/cantera/transport/MultiTransport.h
@@ -33,7 +33,7 @@ class MultiTransport : public GasTransport
     MultiTransport(thermo_t* thermo=0);
 
     virtual std::string transportType() const {
-        return "Multi";
+        return (m_mode == CK_Mode) ? "CK_Multi" : "Multi";
     }
 
     //! Return the thermal diffusion coefficients (kg/m/s)