diff --git a/Trajectories/cost_function.py b/Trajectories/cost_function.py
index 0c57a5b98bda711eb727013ae46462fcdc876aa1..6446c4979d3e075f0d77412ec26bf90877c5a9db 100755
--- a/Trajectories/cost_function.py
+++ b/Trajectories/cost_function.py
@@ -193,7 +193,7 @@ for n in g.vertices():
             # We have to read more from the shapefiles and redefine
             # properties.
 
-            if n.in_degree() == 0 or len_seg > 2 * n_days_avg:
+            if n.in_degree() == 0 or len_seg >= 2 * n_days_avg:
                 # We cannot use part of properties from the beginning
                 # of the segment.
                 properties = node_to_prop(