diff --git a/Trajectories/Tests/tests.json b/Trajectories/Tests/tests.json
index b35113adf0bb911f2bfdefac2fd8b09a108aa762..66eb4c05632c2c87c56525c9ce34d45534f5214b 100644
--- a/Trajectories/Tests/tests.json
+++ b/Trajectories/Tests/tests.json
@@ -177,5 +177,14 @@
             "$tests_old_dir/Cost_function_no_debug/segments_cost_functions.graphml",
             "segments.gv"
 	]
+    },
+    "Traj_component":
+    {
+	"description": "Recompute trajectories on an extracted component.",
+	"command":
+	[
+	    "$src_dir/Trajectories/trajectories.py",
+	    "$tests_old_dir/Extract_component/component_1980897.graphml"
+	]
     }
 }