2 files changed, 2 insertions, 2 deletions
diff --git a/src/Rips_complex/include/gudhi/Rips_complex.h b/src/Rips_complex/include/gudhi/Rips_complex.h
index f0fe57f4..e902e52c 100644
--- a/src/Rips_complex/include/gudhi/Rips_complex.h
+++ b/src/Rips_complex/include/gudhi/Rips_complex.h
@@ -59,7 +59,7 @@ class Rips_complex {
   /**
    * \brief Type of the one skeleton graph stored inside the Rips complex structure.
    */
-  typedef typename boost::adjacency_list < boost::vecS, boost::vecS, boost::undirectedS
+  typedef typename boost::adjacency_list < boost::vecS, boost::vecS, boost::directedS
   , boost::property < vertex_filtration_t, Filtration_value >
   , boost::property < edge_filtration_t, Filtration_value >> OneSkeletonGraph;
 
diff --git a/src/Rips_complex/include/gudhi/Sparse_rips_complex.h b/src/Rips_complex/include/gudhi/Sparse_rips_complex.h
index 4dcc08ed..00da148f 100644
--- a/src/Rips_complex/include/gudhi/Sparse_rips_complex.h
+++ b/src/Rips_complex/include/gudhi/Sparse_rips_complex.h
@@ -55,7 +55,7 @@ template <typename Filtration_value>
 class Sparse_rips_complex {
  private:
   // TODO(MG): use a different graph where we know we can safely insert in parallel.
-  typedef typename boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS,
+  typedef typename boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS,
                                          boost::property<vertex_filtration_t, Filtration_value>,
                                          boost::property<edge_filtration_t, Filtration_value>>
       Graph;