diff --git a/12.temporary_ins/05.coordinates-systems/20.cartesian-coordinates/30.beyond/annex.fr.md b/12.temporary_ins/05.coordinates-systems/20.cartesian-coordinates/30.beyond/annex.fr.md
index b70f56854..ed83a8db2 100644
--- a/12.temporary_ins/05.coordinates-systems/20.cartesian-coordinates/30.beyond/annex.fr.md
+++ b/12.temporary_ins/05.coordinates-systems/20.cartesian-coordinates/30.beyond/annex.fr.md
@@ -1,7 +1,7 @@
 ---
 title: Coordonnées cartésiennes
 published: true
-routable: false
+routable: true
 visible: false
 lessons:
     - slug: cartesian-coordinates-linear