diff --git a/ProcessLib/LIE/Common/PostUtils.h b/ProcessLib/LIE/Common/PostUtils.h
index 0de156784b2c40be0ced10254b22232107f52c17..1123fbf4447c3f9e0c032ecfa112560c2aa2e975 100644
--- a/ProcessLib/LIE/Common/PostUtils.h
+++ b/ProcessLib/LIE/Common/PostUtils.h
@@ -26,7 +26,7 @@ namespace LIE
 ///
 /// The tool creates a new mesh containing duplicated fracture nodes
 /// to represent geometric discontinuities in visualization.
-class PostProcessTool
+class PostProcessTool final
 {
 public:
     PostProcessTool(