diff --git a/app/assets/javascripts/liveSearch.js b/app/assets/javascripts/liveSearch.js
index 240b84114..25cf880e5 100644
--- a/app/assets/javascripts/liveSearch.js
+++ b/app/assets/javascripts/liveSearch.js
@@ -27,6 +27,12 @@
 
     });
 
+    // make sticky JS recalculate its cache of the element's position
+    // because live search can change the height document
+    if ('stickAtBottomWhenScrolling' in GOVUK) {
+      GOVUK.stickAtBottomWhenScrolling.recalculate();
+    }
+
   };