diff --git a/web/styles/zulip.css b/web/styles/zulip.css
index 6296b23b20..195e2f23e7 100644
--- a/web/styles/zulip.css
+++ b/web/styles/zulip.css
@@ -3065,6 +3065,9 @@ select.invite-as {
     /* `simplebar-content-wrapper` has `tabindex=0` set, which makes it focusable
         but we don't want it to have an outline when focused anywhere in the app. */
     outline: none;
+
+    /* This prevents the popover from closing once the top/bottom is reached */
+    overscroll-behavior: contain;
 }
 
 .dropdown-list-container {