diff --git a/applications/solvers/multiphase/driftFluxFoam/relativeVelocityModels/relativeVelocityModel/relativeVelocityModel.H b/applications/solvers/multiphase/driftFluxFoam/relativeVelocityModels/relativeVelocityModel/relativeVelocityModel.H
index a87e5aba51..475c87704e 100644
--- a/applications/solvers/multiphase/driftFluxFoam/relativeVelocityModels/relativeVelocityModel/relativeVelocityModel.H
+++ b/applications/solvers/multiphase/driftFluxFoam/relativeVelocityModels/relativeVelocityModel/relativeVelocityModel.H
@@ -125,6 +125,12 @@ public:
 
     // Member Functions
 
+        //- Mixture properties
+        const incompressibleTwoPhaseInteractingMixture& mixture() const
+        {
+            return mixture_;
+        }
+
         //- Return the mixture mean density
         tmp<volScalarField> rho() const;