diff --git a/src/thermo/RedlichKisterVPSSTP.h b/include/cantera/thermo/RedlichKisterVPSSTP.h
similarity index 99%
rename from src/thermo/RedlichKisterVPSSTP.h
rename to include/cantera/thermo/RedlichKisterVPSSTP.h
index 7cc4029d9..5cb8ae0a6 100644
--- a/src/thermo/RedlichKisterVPSSTP.h
+++ b/include/cantera/thermo/RedlichKisterVPSSTP.h
@@ -17,7 +17,7 @@
  * U.S. Government retains certain rights in this software.
  */
 /*
- *  $Id: MargulesVPSSTP.h 782 2011-10-19 20:45:06Z hkmoffa $
+ *  $Id$
  */
 
 #ifndef CT_REDLICHKISTERVPSSTP_H
diff --git a/src/thermo/RedlichKisterVPSSTP.cpp b/src/thermo/RedlichKisterVPSSTP.cpp
index d32c8e887..1073517b3 100644
--- a/src/thermo/RedlichKisterVPSSTP.cpp
+++ b/src/thermo/RedlichKisterVPSSTP.cpp
@@ -12,7 +12,7 @@
  * U.S. Government retains certain rights in this software.
  */
 
-#include "RedlichKisterVPSSTP.h"
+#include "cantera/thermo/RedlichKisterVPSSTP.h"
 #include "cantera/thermo/ThermoFactory.h"
 #include "cantera/base/stringUtils.h"
 
diff --git a/src/thermo/ThermoFactory.cpp b/src/thermo/ThermoFactory.cpp
index c695ac559..75bd7be40 100644
--- a/src/thermo/ThermoFactory.cpp
+++ b/src/thermo/ThermoFactory.cpp
@@ -17,7 +17,7 @@
 #ifdef WITH_IDEAL_SOLUTIONS
 #include "cantera/thermo/IdealSolidSolnPhase.h"
 #include "cantera/thermo/MargulesVPSSTP.h"
-#include "RedlichKisterVPSSTP.h"
+#include "cantera/thermo/RedlichKisterVPSSTP.h"
 #include "cantera/thermo/IonsFromNeutralVPSSTP.h"
 #include "cantera/thermo/PhaseCombo_Interaction.h"
 #endif