diff --git a/src/postProcessing/functionObjects/forces/forces/forces.C b/src/postProcessing/functionObjects/forces/forces/forces.C
index 462116ca4a..97f68bb216 100644
--- a/src/postProcessing/functionObjects/forces/forces/forces.C
+++ b/src/postProcessing/functionObjects/forces/forces/forces.C
@@ -190,6 +190,7 @@ Foam::forces::forces
     directForceDensity_(false),
     fDName_(""),
     rhoRef_(VGREAT),
+    pRef_(0),
     CofR_(vector::zero),
     forcesFilePtr_(NULL)
 {
@@ -282,13 +283,15 @@ void Foam::forces::read(const dictionary& dict)
                     Info<< " or " << rhoName_;
                 }
 
-                Info<< " in database." << nl
-                    << "    De-activating forces."
+                Info<< " in database." << nl << "    De-activating forces."
                     << endl;
             }
 
             // Reference density needed for incompressible calculations
             rhoRef_ = readScalar(dict.lookup("rhoInf"));
+
+            // Reference pressure, 0 by default
+            pRef_ = dict.lookupOrDefault<scalar>("pRef", 0.0);
         }
 
         // Centre of rotation for moment calculations
@@ -443,13 +446,16 @@ Foam::forces::forcesMoments Foam::forces::calcForcesMoment() const
         const volSymmTensorField::GeometricBoundaryField& devRhoReffb
             = tdevRhoReff().boundaryField();
 
+        // Scale pRef by density for incompressible simulations
+        scalar pRef = pRef_/rho(p);
+
         forAllConstIter(labelHashSet, patchSet_, iter)
         {
             label patchi = iter.key();
 
             vectorField Md = mesh.C().boundaryField()[patchi] - CofR_;
 
-            vectorField pf = Sfb[patchi]*p.boundaryField()[patchi];
+            vectorField pf = Sfb[patchi]*(p.boundaryField()[patchi] - pRef);
 
             fm.first().first() += rho(p)*sum(pf);
             fm.second().first() += rho(p)*sum(Md ^ pf);
diff --git a/src/postProcessing/functionObjects/forces/forces/forces.H b/src/postProcessing/functionObjects/forces/forces/forces.H
index 6fcdccc50e..42bb67c23b 100644
--- a/src/postProcessing/functionObjects/forces/forces/forces.H
+++ b/src/postProcessing/functionObjects/forces/forces/forces.H
@@ -144,6 +144,9 @@ protected:
             //- Reference density needed for incompressible calculations
             scalar rhoRef_;
 
+            //- Reference pressure
+            scalar pRef_;
+
             //- Centre of rotation
             vector CofR_;