diff --git a/opm/core/fluid/BlackoilPropertiesInterface.hpp b/opm/core/fluid/BlackoilPropertiesInterface.hpp
index 8a7d6c86d..f40973eda 100644
--- a/opm/core/fluid/BlackoilPropertiesInterface.hpp
+++ b/opm/core/fluid/BlackoilPropertiesInterface.hpp
@@ -129,7 +129,7 @@ namespace Opm
         virtual void capPress(const int n,
                               const double* s,
                               const int* cells,
-                              double* pv,
+                              double* pc,
                               double* dpcds) const = 0;
     };
 
diff --git a/opm/core/fluid/SaturationPropsFromDeck.hpp b/opm/core/fluid/SaturationPropsFromDeck.hpp
index 5b30279d0..c705b39b6 100644
--- a/opm/core/fluid/SaturationPropsFromDeck.hpp
+++ b/opm/core/fluid/SaturationPropsFromDeck.hpp
@@ -61,7 +61,7 @@ namespace Opm
         ///                    and is output in Fortran order (m_00 m_10 m_20 m01 ...)
         void capPress(const int n,
                       const double* s,
-                      double* pv,
+                      double* pc,
                       double* dpcds) const;
 
     private: