diff --git a/opm/core/fluid/BlackoilPropertiesInterface.hpp b/opm/core/fluid/BlackoilPropertiesInterface.hpp
index 1adf3720..8a7d6c86 100644
--- a/opm/core/fluid/BlackoilPropertiesInterface.hpp
+++ b/opm/core/fluid/BlackoilPropertiesInterface.hpp
@@ -35,6 +35,7 @@ namespace Opm
     class BlackoilPropertiesInterface
     {
     public:
+        virtual ~BlackoilPropertiesInterface() {}
 
         // ---- Rock interface ----