diff --git a/Trajectories/segments.py b/Trajectories/segments.py
index c4c67d45ab12e3afeae8f0c01683bd4fec3f462b..0f93ecec1e556e1df2618bb8476e8263f5884463 100755
--- a/Trajectories/segments.py
+++ b/Trajectories/segments.py
@@ -101,6 +101,7 @@ print("Number of edges:", g.num_edges())
 print("Internal properties:")
 g.list_properties()
 print('Saving graph...')
+g.set_fast_edge_removal(False)
 g.save(sys.argv[2])
 t1 = time.perf_counter()
 timings_file.write(f'Done saving in {t1 - t0:.0f} s\n')