diff --git a/src/meshTools/Make/files b/src/meshTools/Make/files
index e9a79be0b5..3a3d2aff83 100644
--- a/src/meshTools/Make/files
+++ b/src/meshTools/Make/files
@@ -67,6 +67,7 @@ $(cellSources)/fieldToCell/fieldToCell.C
 $(cellSources)/pointToCell/pointToCell.C
 $(cellSources)/shapeToCell/shapeToCell.C
 $(cellSources)/boxToCell/boxToCell.C
+$(cellSources)/regionToCell/regionToCell.C
 $(cellSources)/rotatedBoxToCell/rotatedBoxToCell.C
 $(cellSources)/labelToCell/labelToCell.C
 $(cellSources)/surfaceToCell/surfaceToCell.C