diff --git a/src/finiteVolume/fvMesh/fvPatches/fvPatch/fvPatch.C b/src/finiteVolume/fvMesh/fvPatches/fvPatch/fvPatch.C
index 2b0b8ee5cba6e28b171382559c7eb6c205e1c5b4..b100323976d3f15a0bafe2adc491f0e7b06a119a 100644
--- a/src/finiteVolume/fvMesh/fvPatches/fvPatch/fvPatch.C
+++ b/src/finiteVolume/fvMesh/fvPatches/fvPatch/fvPatch.C
@@ -167,6 +167,18 @@ void Foam::fvPatch::makeWeights(scalarField& w) const
 }
 
 
+void Foam::fvPatch::makeDeltaCoeffs(scalarField& w) const
+{}
+
+
+void Foam::fvPatch::makeNonOrthoDeltaCoeffs(scalarField& w) const
+{}
+
+
+void Foam::fvPatch::makeNonOrthoCorrVectors(vectorField& w) const
+{}
+
+
 void Foam::fvPatch::initMovePoints()
 {}
 
diff --git a/src/finiteVolume/fvMesh/fvPatches/fvPatch/fvPatch.H b/src/finiteVolume/fvMesh/fvPatches/fvPatch/fvPatch.H
index 7f1e99775f9beda654b35a3285f5812bcdf4b442..3a04adfb38f06e0dec75600fbe38a75b4d2082a9 100644
--- a/src/finiteVolume/fvMesh/fvPatches/fvPatch/fvPatch.H
+++ b/src/finiteVolume/fvMesh/fvPatches/fvPatch/fvPatch.H
@@ -81,6 +81,15 @@ protected:
         //- Make patch weighting factors
         virtual void makeWeights(scalarField&) const;
 
+        //- Correct patch deltaCoeffs
+        virtual void makeDeltaCoeffs(scalarField&) const;
+
+        //- Correct patch non-ortho deltaCoeffs
+        virtual void makeNonOrthoDeltaCoeffs(scalarField&) const;
+
+        //- Correct patch non-ortho correction vectors
+        virtual void makeNonOrthoCorrVectors(vectorField&) const;
+
         //- Initialise the patches for moving points
         virtual void initMovePoints();
 
diff --git a/src/finiteVolume/interpolation/surfaceInterpolation/surfaceInterpolation/surfaceInterpolation.C b/src/finiteVolume/interpolation/surfaceInterpolation/surfaceInterpolation/surfaceInterpolation.C
index c716e1456a060ee1a870bf5af17121018cd7a778..7642933971866680ca7687b0ba82604db92cf956 100644
--- a/src/finiteVolume/interpolation/surfaceInterpolation/surfaceInterpolation/surfaceInterpolation.C
+++ b/src/finiteVolume/interpolation/surfaceInterpolation/surfaceInterpolation/surfaceInterpolation.C
@@ -246,7 +246,11 @@ void Foam::surfaceInterpolation::makeDeltaCoeffs() const
 
     forAll(deltaCoeffsBf, patchi)
     {
-        deltaCoeffsBf[patchi] = 1.0/mag(mesh_.boundary()[patchi].delta());
+        const fvPatch& p = mesh_.boundary()[patchi];
+        deltaCoeffsBf[patchi] = 1.0/mag(p.delta());
+
+        // Optionally correct
+        p.makeDeltaCoeffs(deltaCoeffsBf[patchi]);
     }
 }
 
@@ -329,6 +333,9 @@ void Foam::surfaceInterpolation::makeNonOrthDeltaCoeffs() const
             patchDeltaCoeffs[patchFacei] =
                 1.0/max(unitArea & delta, 0.05*mag(delta));
         }
+
+        // Optionally correct
+        p.makeNonOrthoDeltaCoeffs(patchDeltaCoeffs);
     }
 }
 
@@ -385,6 +392,8 @@ void Foam::surfaceInterpolation::makeNonOrthCorrectionVectors() const
     {
         fvsPatchVectorField& patchCorrVecs = corrVecsBf[patchi];
 
+        const fvPatch& p = patchCorrVecs.patch();
+
         if (!patchCorrVecs.coupled())
         {
             patchCorrVecs = Zero;
@@ -394,8 +403,6 @@ void Foam::surfaceInterpolation::makeNonOrthCorrectionVectors() const
             const fvsPatchScalarField& patchNonOrthDeltaCoeffs =
                 NonOrthDeltaCoeffs.boundaryField()[patchi];
 
-            const fvPatch& p = patchCorrVecs.patch();
-
             const vectorField patchDeltas(mesh_.boundary()[patchi].delta());
 
             forAll(p, patchFacei)
@@ -410,6 +417,9 @@ void Foam::surfaceInterpolation::makeNonOrthCorrectionVectors() const
                     unitArea - delta*patchNonOrthDeltaCoeffs[patchFacei];
             }
         }
+
+        // Optionally correct
+        p.makeNonOrthoCorrVectors(patchCorrVecs);
     }
 
     if (debug)