diff --git a/src/fvMotionSolver/fvMotionSolvers/displacement/displacementFvMotionSolver/displacementFvMotionSolver.C b/src/fvMotionSolver/fvMotionSolvers/displacement/displacementFvMotionSolver/displacementFvMotionSolver.C
index aee52c717c..b94a1d77be 100644
--- a/src/fvMotionSolver/fvMotionSolvers/displacement/displacementFvMotionSolver/displacementFvMotionSolver.C
+++ b/src/fvMotionSolver/fvMotionSolvers/displacement/displacementFvMotionSolver/displacementFvMotionSolver.C
@@ -32,8 +32,8 @@ License
 
 namespace Foam
 {
-//    defineTypeNameAndDebug(displacementFvMotionSolver, 0);
-//
+    defineTypeNameAndDebug(displacementFvMotionSolver, 0);
+
 //    addToRunTimeSelectionTable
 //    (
 //        fvMotionSolver,