diff --git a/gz-waves/src/CGAL_TEST.cc b/gz-waves/src/CGAL_TEST.cc
index f2c312d0..984351fd 100644
--- a/gz-waves/src/CGAL_TEST.cc
+++ b/gz-waves/src/CGAL_TEST.cc
@@ -37,6 +37,7 @@
 
 #include <CGAL/algorithm.h>
 #include <CGAL/boost/graph/Euler_operations.h>
+#include <CGAL/boost/graph/generators.h>
 #include <CGAL/number_utils.h>
 #include <CGAL/point_generators_2.h>