diff --git a/src/model/Space_Impl.hpp b/src/model/Space_Impl.hpp
index db7bc66713..3bd5af8338 100644
--- a/src/model/Space_Impl.hpp
+++ b/src/model/Space_Impl.hpp
@@ -32,6 +32,7 @@
 
 #include "ModelAPI.hpp"
 #include "PlanarSurfaceGroup_Impl.hpp"
+#include "Surface.hpp"
 
 #include <boost/geometry/geometries/point_xy.hpp>
 #include <boost/geometry/geometries/adapted/boost_tuple.hpp>