diff --git a/src/dynamicMesh/motionSmoother/motionSmootherTemplates.C b/src/dynamicMesh/motionSmoother/motionSmootherTemplates.C
index 97d125318c..1660a29e18 100644
--- a/src/dynamicMesh/motionSmoother/motionSmootherTemplates.C
+++ b/src/dynamicMesh/motionSmoother/motionSmootherTemplates.C
@@ -292,7 +292,7 @@ void Foam::motionSmoother::testSyncField
     const Field<Type>& fld,
     const CombineOp& cop,
     const Type& zero,
-    const bool separation
+    const bool separation,
     const scalar maxMag
 ) const
 {