diff --git a/Shape_detection/include/CGAL/Shape_detection/Region_growing/Polygon_mesh/Polyline_graph.h b/Shape_detection/include/CGAL/Shape_detection/Region_growing/Polygon_mesh/Polyline_graph.h
index 3b446931453..16ccc6c1fff 100644
--- a/Shape_detection/include/CGAL/Shape_detection/Region_growing/Polygon_mesh/Polyline_graph.h
+++ b/Shape_detection/include/CGAL/Shape_detection/Region_growing/Polygon_mesh/Polyline_graph.h
@@ -17,7 +17,7 @@
 #include <CGAL/license/Shape_detection.h>
 
 // Internal includes.
-#include <CGAL/Shape_detection/Region_growing/internal/property_map.h>
+#include <CGAL/boost/graph/property_maps.h>
 
 namespace CGAL {
 namespace Shape_detection {