diff --git a/Cantera/src/thermo/Phase.cpp b/Cantera/src/thermo/Phase.cpp
index 9d92821a1..423aa8c24 100755
--- a/Cantera/src/thermo/Phase.cpp
+++ b/Cantera/src/thermo/Phase.cpp
@@ -22,9 +22,14 @@ using namespace std;
 namespace Cantera {    
 
   Phase::Phase() : 
-    m_kk(-1), m_ndim(3), m_index(-1), 
+    Constituents(),
+    State(),
+    m_kk(-1), 
+    m_ndim(3),
+    m_index(-1), 
     m_xml(new XML_Node("phase")), 
-    m_id("<phase>"), m_name("") 
+    m_id("<phase>"),
+    m_name("") 
   {
   }
 
diff --git a/Cantera/src/thermo/ThermoPhase.h b/Cantera/src/thermo/ThermoPhase.h
index 1465f6d97..efb22b378 100755
--- a/Cantera/src/thermo/ThermoPhase.h
+++ b/Cantera/src/thermo/ThermoPhase.h
@@ -786,7 +786,16 @@ namespace Cantera {
     virtual void modifyOneHf298SS(const int k, const doublereal Hf298New) {
        m_spthermo->modifyOneHf298(k, Hf298New);
     }
+#else
+    doublereal Hf298SS(const int k) const {
+       return err("Hf298SS - H298MODIFY_CAPABILITY not compiled in"); 
+    }
+
+    virtual void modifyOneHf298SS(const int k, const doublereal Hf298New) {
+       return err("Hf298SS - H298MODIFY_CAPABILITY not compiled in"); 
+    }
 #endif
+
     //! Maximum temperature for which the thermodynamic data for the species 
     //! are valid. 
     /*!