diff --git a/network-api/networkapi/templates/fragments/blocks/nav/dropdown.html b/network-api/networkapi/templates/fragments/blocks/nav/dropdown.html
index 3d1ddb9b5e..711acc5c64 100644
--- a/network-api/networkapi/templates/fragments/blocks/nav/dropdown.html
+++ b/network-api/networkapi/templates/fragments/blocks/nav/dropdown.html
@@ -1,6 +1,6 @@
 {% load static wagtailcore_tags wagtailadmin_tags nav_tags %}
 
-{% fragment as content_base_styles %}tw-overflow-y-auto tw-transition-all tw-duration-500 tw-bg-white xlarge:tw-bg-transparent xlarge:tw-max-w-[1200px]{% endfragment %}
+{% fragment as content_base_styles %}tw-overflow-y-auto tw-transition-all tw-duration-500 tw-bg-white xlarge:tw-bg-transparent xlarge:tw-max-w-[1200px] xlarge:tw-transition-none xlarge:tw-duration-0{% endfragment %}
 {% fragment as dropdown_selector_base %}tw-container tw-flex tw-flex-row tw-items-center tw-justify-between tw-w-full tw-gap-4{% endfragment %}
 
 {% fragment as content_desktop %}xlarge:tw-px-0 xlarge:tw-hidden{% endfragment %}
diff --git a/source/js/components/nav/desktop-dropdown.js b/source/js/components/nav/desktop-dropdown.js
index 2de06fdda9..6e33ecdf2b 100644
--- a/source/js/components/nav/desktop-dropdown.js
+++ b/source/js/components/nav/desktop-dropdown.js
@@ -129,7 +129,7 @@ class NavDesktopDropdown extends Accordion {
       this.content.style.top.replace("px", "")
     );
     if (currentTopOffset !== newTopOffset) {
-      this.close();
+      this.content.style.top = `${newTopOffset}px`;
     }
   }