1 files changed, 2 insertions, 2 deletions
diff --git a/src/game_tab/HalfMove.hpp b/src/game_tab/HalfMove.hpp
index da3c919..3d5177e 100644
--- a/src/game_tab/HalfMove.hpp
+++ b/src/game_tab/HalfMove.hpp
@@ -14,8 +14,8 @@
  *
  */
 class HalfMove : public cgeditor::CGEHalfMove {
-  HalfMove *parent = NULL;
-  HalfMove *mainline = NULL;
+  HalfMove *parent = nullptr;
+  HalfMove *mainline = nullptr;
   chessarbiter::ChessArbiter arbiter;
   std::vector<HalfMove *> variations;
   std::string fen;