diff --git a/applications/solvers/multiphase/compressibleTwoPhaseEulerFoam/DDtU.H b/applications/solvers/multiphase/compressibleTwoPhaseEulerFoam/DDtU.H
index 96b6a63a43..1685caa588 100644
--- a/applications/solvers/multiphase/compressibleTwoPhaseEulerFoam/DDtU.H
+++ b/applications/solvers/multiphase/compressibleTwoPhaseEulerFoam/DDtU.H
@@ -3,9 +3,11 @@
         fvc::ddt(U1)
       + fvc::div(phi1, U1)
       - fvc::div(phi1)*U1;
+    mrfZones.addCoriolis(U1, DDtU1);
 
     DDtU2 =
         fvc::ddt(U2)
       + fvc::div(phi2, U2)
       - fvc::div(phi2)*U2;
+    mrfZones.addCoriolis(U2, DDtU2);
 }
diff --git a/applications/solvers/multiphase/compressibleTwoPhaseEulerFoam/UEqns.H b/applications/solvers/multiphase/compressibleTwoPhaseEulerFoam/UEqns.H
index fe40ce2f49..5d61f0eaf7 100644
--- a/applications/solvers/multiphase/compressibleTwoPhaseEulerFoam/UEqns.H
+++ b/applications/solvers/multiphase/compressibleTwoPhaseEulerFoam/UEqns.H
@@ -45,7 +45,7 @@ fvVectorMatrix U2Eqn(U2, U2.dimensions()*dimVol/dimTime);
           - fvm::Sp(dragCoeff/rho1, U1)
           - alpha1*alpha2/rho1*(liftForce - Cvm*rho2*DDtU2)
         );
-        mrfZones.addCoriolis(alpha1, U1Eqn);
+        mrfZones.addCoriolis(alpha1*(1 + Cvm*rho2*alpha2/rho1), U1Eqn);
         U1Eqn.relax();
     }
 
@@ -76,7 +76,7 @@ fvVectorMatrix U2Eqn(U2, U2.dimensions()*dimVol/dimTime);
           - fvm::Sp(dragCoeff/rho2, U2)
           + alpha1*alpha2/rho2*(liftForce + Cvm*rho2*DDtU1)
         );
-        mrfZones.addCoriolis(alpha2, U2Eqn);
+        mrfZones.addCoriolis(alpha2*(1 + Cvm*rho2*alpha1/rho2), U2Eqn);
         U2Eqn.relax();
     }
 }
diff --git a/applications/solvers/multiphase/multiphaseEulerFoam/DDtU.H b/applications/solvers/multiphase/multiphaseEulerFoam/DDtU.H
index f0f5bad356..dc39b70863 100644
--- a/applications/solvers/multiphase/multiphaseEulerFoam/DDtU.H
+++ b/applications/solvers/multiphase/multiphaseEulerFoam/DDtU.H
@@ -6,4 +6,6 @@ forAllIter(PtrDictionary<phaseModel>, fluid.phases(), iter)
         fvc::ddt(phase.U())
       + fvc::div(phase.phi(), phase.U())
       - fvc::div(phase.phi())*phase.U();
+
+    mrfZones.addCoriolis(phase.U(), phase.DDtU());
 }
diff --git a/applications/solvers/multiphase/multiphaseEulerFoam/UEqns.H b/applications/solvers/multiphase/multiphaseEulerFoam/UEqns.H
index b612e6b5d9..d4b371915c 100644
--- a/applications/solvers/multiphase/multiphaseEulerFoam/UEqns.H
+++ b/applications/solvers/multiphase/multiphaseEulerFoam/UEqns.H
@@ -49,7 +49,11 @@ forAllIter(PtrDictionary<phaseModel>, fluid.phases(), iter)
             )
         )
     );
-    mrfZones.addCoriolis(alpha, UEqns[phasei]);
+    mrfZones.addCoriolis
+    (
+        alpha*(1 + (1/phase.rho())*fluid.Cvm(phase)),
+        UEqns[phasei]
+    );
     UEqns[phasei].relax();
 
     phasei++;
diff --git a/applications/solvers/multiphase/twoPhaseEulerFoam/DDtU.H b/applications/solvers/multiphase/twoPhaseEulerFoam/DDtU.H
index 96b6a63a43..1685caa588 100644
--- a/applications/solvers/multiphase/twoPhaseEulerFoam/DDtU.H
+++ b/applications/solvers/multiphase/twoPhaseEulerFoam/DDtU.H
@@ -3,9 +3,11 @@
         fvc::ddt(U1)
       + fvc::div(phi1, U1)
       - fvc::div(phi1)*U1;
+    mrfZones.addCoriolis(U1, DDtU1);
 
     DDtU2 =
         fvc::ddt(U2)
       + fvc::div(phi2, U2)
       - fvc::div(phi2)*U2;
+    mrfZones.addCoriolis(U2, DDtU2);
 }
diff --git a/applications/solvers/multiphase/twoPhaseEulerFoam/UEqns.H b/applications/solvers/multiphase/twoPhaseEulerFoam/UEqns.H
index 0c0cc1543a..6fae832a21 100644
--- a/applications/solvers/multiphase/twoPhaseEulerFoam/UEqns.H
+++ b/applications/solvers/multiphase/twoPhaseEulerFoam/UEqns.H
@@ -53,7 +53,7 @@ fvVectorMatrix U2Eqn(U2, U2.dimensions()*dimVol/dimTime);
         //+ alpha2/rho1*K*U2           // Explicit drag transfered to p-equation
           - alpha2/rho1*(liftCoeff - Cvm*rho2*DDtU2)
         );
-        mrfZones.addCoriolis(U1Eqn);
+        mrfZones.addCoriolis(scalar(1) + Cvm*rho2*alpha2/rho1, U1Eqn);
         U1Eqn.relax();
     }
 
@@ -93,7 +93,7 @@ fvVectorMatrix U2Eqn(U2, U2.dimensions()*dimVol/dimTime);
         //+ alpha1/rho2*K*U1           // Explicit drag transfered to p-equation
           + alpha1/rho2*(liftCoeff + Cvm*rho2*DDtU1)
         );
-        mrfZones.addCoriolis(U2Eqn);
+        mrfZones.addCoriolis(scalar(1) + Cvm*rho2*alpha1/rho2, U2Eqn);
         U2Eqn.relax();
     }
 }
diff --git a/src/finiteVolume/cfdTools/general/MRF/MRFZone.C b/src/finiteVolume/cfdTools/general/MRF/MRFZone.C
index a909154ee1..d2f8caeb23 100644
--- a/src/finiteVolume/cfdTools/general/MRF/MRFZone.C
+++ b/src/finiteVolume/cfdTools/general/MRF/MRFZone.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
diff --git a/src/finiteVolume/cfdTools/general/MRF/MRFZone.H b/src/finiteVolume/cfdTools/general/MRF/MRFZone.H
index d9f2fa979a..0a4f21bf65 100644
--- a/src/finiteVolume/cfdTools/general/MRF/MRFZone.H
+++ b/src/finiteVolume/cfdTools/general/MRF/MRFZone.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
diff --git a/src/finiteVolume/cfdTools/general/MRF/MRFZones.C b/src/finiteVolume/cfdTools/general/MRF/MRFZones.C
index b915c9c65b..d1c961afec 100644
--- a/src/finiteVolume/cfdTools/general/MRF/MRFZones.C
+++ b/src/finiteVolume/cfdTools/general/MRF/MRFZones.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
diff --git a/src/finiteVolume/cfdTools/general/MRF/MRFZones.H b/src/finiteVolume/cfdTools/general/MRF/MRFZones.H
index db973dcc80..8df9d428be 100644
--- a/src/finiteVolume/cfdTools/general/MRF/MRFZones.H
+++ b/src/finiteVolume/cfdTools/general/MRF/MRFZones.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License