diff --git a/src/finiteVolume/cfdTools/general/SRF/SRFModel/SRFModel/SRFModel.C b/src/finiteVolume/cfdTools/general/SRF/SRFModel/SRFModel/SRFModel.C
index 86a14f5c7d..7ba4e77a4d 100644
--- a/src/finiteVolume/cfdTools/general/SRF/SRFModel/SRFModel/SRFModel.C
+++ b/src/finiteVolume/cfdTools/general/SRF/SRFModel/SRFModel/SRFModel.C
@@ -167,7 +167,7 @@ Foam::vectorField Foam::SRF::SRFModel::velocity
     const vectorField& positions
 ) const
 {
-    return -omega_.value() ^ (positions - axis_*(axis_ & positions));
+    return omega_.value() ^ (positions - axis_*(axis_ & positions));
 }
 
 
@@ -185,7 +185,7 @@ Foam::tmp<Foam::volVectorField> Foam::SRF::SRFModel::U() const
                 IOobject::NO_READ,
                 IOobject::NO_WRITE
             ),
-            -omega_ ^ (mesh_.C() - axis_*(axis_ & mesh_.C()))
+            omega_ ^ (mesh_.C() - axis_*(axis_ & mesh_.C()))
         )
     );
 }
diff --git a/src/finiteVolume/cfdTools/general/SRF/derivedFvPatchFields/SRFVelocityFvPatchVectorField/SRFVelocityFvPatchVectorField.C b/src/finiteVolume/cfdTools/general/SRF/derivedFvPatchFields/SRFVelocityFvPatchVectorField/SRFVelocityFvPatchVectorField.C
index 20562d4425..6d04720d1f 100644
--- a/src/finiteVolume/cfdTools/general/SRF/derivedFvPatchFields/SRFVelocityFvPatchVectorField/SRFVelocityFvPatchVectorField.C
+++ b/src/finiteVolume/cfdTools/general/SRF/derivedFvPatchFields/SRFVelocityFvPatchVectorField/SRFVelocityFvPatchVectorField.C
@@ -145,7 +145,7 @@ void SRFVelocityFvPatchVectorField::updateCoeffs()
         // Determine patch velocity due to SRF
         const vectorField SRFVelocity = srf.velocity(patch().Cf());
 
-        operator==(SRFVelocity + inletValue_);
+        operator==(-SRFVelocity + inletValue_);
     }
     // If absolute, simply supply the inlet value as a fixed value
     else