diff --git a/src/pages/dyn.astro b/src/pages/dyn.astro
index 64442a08..2d20ec31 100644
--- a/src/pages/dyn.astro
+++ b/src/pages/dyn.astro
@@ -55,15 +55,15 @@ import "../../public/static/css/course_home_pages.css"
   <h2 class = "site-title">Applications</h2>
   <section class = "mt-sm-4 mt-2">
     <ol>
-      <li><a href = "/dyn/shortest_flight_paths">Shortest flight paths</a></li>
-      <li><a href = "/dyn/track_transition_curves">Track transition curves</a></li>
-      <li><a href = "/dyn/projectiles_with_air_resistance">Projectiles with air resistance</a></li>
-      <li><a href = "/dyn/celestial_velocities">Celestial velocities</a></li>
-      <li><a href = "/dyn/accelerating_and_braking">Accelerating and braking</a></li>
-      <li><a href = "/dyn/banked_turns">Banked turns</a></li>
-      <li><a href = "/dyn/steering_geometry">Steering geometry</a></li>
-      <li><a href = "/dyn/four_bar_linkages_applications">Four-bar linkages applications</a></li>
-      <li><a href = "/dyn/capsizing_ships">Capsizing ships</a></li>
+      <li><a href = "/dyn/shortest_flight_paths?origin=sidebar">Shortest flight paths</a></li>
+      <li><a href = "/dyn/track_transition_curves?origin=sidebar">Track transition curves</a></li>
+      <li><a href = "/dyn/projectiles_with_air_resistance?origin=sidebar">Projectiles with air resistance</a></li>
+      <li><a href = "/dyn/celestial_velocities?origin=sidebar">Celestial velocities</a></li>
+      <li><a href = "/dyn/accelerating_and_braking?origin=sidebar">Accelerating and braking</a></li>
+      <li><a href = "/dyn/banked_turns?origin=sidebar">Banked turns</a></li>
+      <li><a href = "/dyn/steering_geometry?origin=sidebar">Steering geometry</a></li>
+      <li><a href = "/dyn/four_bar_linkages_applications?origin=sidebar">Four-bar linkages applications</a></li>
+      <li><a href = "/dyn/capsizing_ships?origin=sidebar">Capsizing ships</a></li>
     </ol>    
   </section>
   <div style="height:40px"></div>
diff --git a/src/pages/sta.astro b/src/pages/sta.astro
index d615ef09..9b18ec7b 100644
--- a/src/pages/sta.astro
+++ b/src/pages/sta.astro
@@ -52,7 +52,7 @@ import "../../public/static/css/course_home_pages.css"
   <h2 class = "site-title">Applications</h2>
   <section class="mt-sm-4 mt-2">
     <ol>
-      <li><a href="/sta/track_and_field_starting_blocks">Track and field starting blocks</a></li>
+      <li><a href="/sta/track_and_field_starting_blocks?origin=sidebar">Track and field starting blocks</a></li>
     </ol>    
   </section>
   <div style="height:40px"></div>