diff --git a/Trajectories/cost_function.py b/Trajectories/cost_function.py
index 6446c4979d3e075f0d77412ec26bf90877c5a9db..0aa254cb16dbcf52662e1b32a40af0d7158c1e3f 100755
--- a/Trajectories/cost_function.py
+++ b/Trajectories/cost_function.py
@@ -105,7 +105,7 @@ def node_to_prop(node_list, e_overestim, SHPC, orientation):
 
 
 t0 = time.perf_counter()
-timings = open("timings.txt", "w")
+timings = open("timings_cost.txt", "w")
 parser = argparse.ArgumentParser()
 parser.add_argument("SHPC_dir")
 parser.add_argument("orientation", choices=["Anticyclones", "Cyclones"])
diff --git a/Trajectories/trajectories.py b/Trajectories/trajectories.py
index 99eaf2dc38a6a3b4ffdd472f9c8e7f8bcd45a566..1cfc9911f34eb0c0c53d7f043475f847315955b5 100755
--- a/Trajectories/trajectories.py
+++ b/Trajectories/trajectories.py
@@ -33,7 +33,7 @@ def new_traj(ind_traj, traj_prop, n, traj_vert_ind):
 
 
 t0 = time.perf_counter()
-timings_file = open("timings.txt", "w")
+timings_file = open("timings_trajectories.txt", "w")
 if len(sys.argv) != 2:
     sys.exit("Required argument: input-graph")
 g = graph_tool.load_graph(sys.argv[1])