diff --git a/Cantera/src/base/ct_defs.h b/Cantera/src/base/ct_defs.h
index 128d28e40..ff128bc87 100755
--- a/Cantera/src/base/ct_defs.h
+++ b/Cantera/src/base/ct_defs.h
@@ -30,6 +30,7 @@
 #include <map>
 #include <numeric>
 #include <string>
+#include <algorithm>
 
 
 //! creates a pointer to the start of the raw data for a ctvector
diff --git a/Cantera/src/thermo/ThermoFactory.cpp b/Cantera/src/thermo/ThermoFactory.cpp
index a30978b31..157f68b3a 100644
--- a/Cantera/src/thermo/ThermoFactory.cpp
+++ b/Cantera/src/thermo/ThermoFactory.cpp
@@ -171,11 +171,13 @@ namespace Cantera {
     const XML_Node& th = xmlphase.child("thermo");
     string model = th["model"];
     ThermoPhase* t = newThermoPhase(model);
+#ifdef WITH_ELECTROLYTES
     if (model == "HMW") {
         HMWSoln* p = (HMWSoln*)t;
         p->constructPhaseXML(xmlphase,"");
     }
     else
+#endif
         importPhase(xmlphase, t);
     return t;
   }