diff --git a/app/ui-sequence-nav.js b/app/ui-sequence-nav.js
index aebdc37..5c04c59 100644
--- a/app/ui-sequence-nav.js
+++ b/app/ui-sequence-nav.js
@@ -66,7 +66,8 @@
       return null;
     }
 
-    if (headingEl.querySelector(".detail-sequence-nav")) {
+    if (headingEl.querySelector(".detail-sequence-nav")
+      || sectionEl?.querySelector(".planet-detail-panel .detail-sequence-nav")) {
       return null;
     }
 
@@ -138,7 +139,8 @@
       return;
     }
 
-    if (headingEl.querySelector(".detail-sequence-nav")) {
+    if (headingEl.querySelector(".detail-sequence-nav")
+      || sectionEl.querySelector(".planet-detail-panel .detail-sequence-nav")) {
       return;
     }