diff --git a/Combinatorial_map/include/CGAL/Face_graph_wrapper.h b/Combinatorial_map/include/CGAL/Face_graph_wrapper.h
index 566c1fa2513..9bb649861f6 100644
--- a/Combinatorial_map/include/CGAL/Face_graph_wrapper.h
+++ b/Combinatorial_map/include/CGAL/Face_graph_wrapper.h
@@ -452,7 +452,7 @@ public:
     { return mmap.is_empty(); }
 
     size_type capacity() const
-    { CGAL::num_halfedges(mmap.get_fg()); }
+    { return CGAL::num_halfedges(mmap.get_fg()); }
 
     bool is_used(size_type i) const
     {
diff --git a/Surface_mesh_topology/include/CGAL/Path_on_surface.h b/Surface_mesh_topology/include/CGAL/Path_on_surface.h
index e7f4d0df433..89190345175 100644
--- a/Surface_mesh_topology/include/CGAL/Path_on_surface.h
+++ b/Surface_mesh_topology/include/CGAL/Path_on_surface.h
@@ -477,7 +477,7 @@ public:
                             bool update_isclosed=true)
   {
     CGAL::Random& random=get_default_random();
-    extend_path_randomly(random, allow_half_turn, update_isclosed);
+    return extend_path_randomly(random, allow_half_turn, update_isclosed);
   }
 
   void generate_random_path(std::size_t length, CGAL::Random& random,