diff --git a/vtkm/CMakeLists.txt b/vtkm/CMakeLists.txt
index da87c186d..380ed4696 100644
--- a/vtkm/CMakeLists.txt
+++ b/vtkm/CMakeLists.txt
@@ -36,6 +36,7 @@ set(headers
   CellTraits.h
   Flags.h
   Geometry.h
+  GhostCell.h
   Hash.h
   ImplicitFunction.h
   ListTag.h