fix build
diff --git a/include/delaunator.hpp b/include/delaunator.hpp
index 241e90f..f694069 100644
--- a/include/delaunator.hpp
+++ b/include/delaunator.hpp
@@ -192,6 +192,7 @@
       halfedges(),
       m_hash(),
       m_hull(),
+      m_hull_entry(),
       m_center_x(),
       m_center_y(),
       m_hash_size() {