diff --git a/include/cantera/thermo/GibbsExcessVPSSTP.h b/include/cantera/thermo/GibbsExcessVPSSTP.h
index df8c0d7fa..c91cadb63 100644
--- a/include/cantera/thermo/GibbsExcessVPSSTP.h
+++ b/include/cantera/thermo/GibbsExcessVPSSTP.h
@@ -374,7 +374,7 @@ public:
      *                Length = m_kk. units are m^3/kmol.
      */
     virtual void getPartialMolarVolumes(doublereal* vbar) const;
-    virtual const vector_fp& getPartialMolarVolumes() const;
+    virtual const vector_fp& getPartialMolarVolumesVector() const;
 
     /**
      * @}
diff --git a/src/thermo/GibbsExcessVPSSTP.cpp b/src/thermo/GibbsExcessVPSSTP.cpp
index d06fbf575..b1f4ed292 100644
--- a/src/thermo/GibbsExcessVPSSTP.cpp
+++ b/src/thermo/GibbsExcessVPSSTP.cpp
@@ -126,7 +126,7 @@ void GibbsExcessVPSSTP::setPressure(doublereal p)
 
 void GibbsExcessVPSSTP::calcDensity()
 {
-    vector_fp vbar = getPartialMolarVolumes();
+    vector_fp vbar = getPartialMolarVolumesVector();
     //    double *vbar = &m_pp[0];
     //    getPartialMolarVolumes(&vbar[0]);
 
@@ -223,7 +223,7 @@ void GibbsExcessVPSSTP::getPartialMolarVolumes(doublereal* vbar) const
     getStandardVolumes(vbar);
 }
 
-const vector_fp& GibbsExcessVPSSTP::getPartialMolarVolumes() const
+const vector_fp& GibbsExcessVPSSTP::getPartialMolarVolumesVector() const
 {
     return getStandardVolumes();
 }