diff --git a/src/dynamicFaMesh/interfaceTrackingFvMesh/interfaceTrackingFvMesh.C b/src/dynamicFaMesh/interfaceTrackingFvMesh/interfaceTrackingFvMesh.C
index 82fca716490d5885d16e8d9ba58dd5d7beb30450..f89864304a2147094d854481f14c4f5593224696 100644
--- a/src/dynamicFaMesh/interfaceTrackingFvMesh/interfaceTrackingFvMesh.C
+++ b/src/dynamicFaMesh/interfaceTrackingFvMesh/interfaceTrackingFvMesh.C
@@ -1566,7 +1566,7 @@ Foam::interfaceTrackingFvMesh::interfaceTrackingFvMesh
 )
 :
     dynamicMotionSolverFvMesh(io, doInit),
-    aMeshPtr_(new faMesh(*this)),
+    aMeshPtr_(nullptr),
     fsPatchIndex_(-1),
     fixedFreeSurfacePatches_(),
     nonReflectingFreeSurfacePatches_(),