diff --git a/app/static/index.html b/app/static/index.html
index 0cd2f1c..cdf0e90 100644
--- a/app/static/index.html
+++ b/app/static/index.html
@@ -383,10 +383,14 @@ document.addEventListener('mouseover', e => {
   if (seg) {
     const targetSeg = seg.classList.contains('uptime-seg') ? seg : seg.querySelector('.uptime-seg[data-seg]');
     if (targetSeg) showSegTip(targetSeg);
+  } else {
+    hideSegTip();
   }
 });
 document.addEventListener('mouseout', e => {
-  if (e.target.closest('.uptime-seg[data-seg]') || e.target.closest('.uptime-segs')) hideSegTip();
+  if (!e.relatedTarget || !e.relatedTarget.closest('.seg-tip')) {
+    if (e.target.closest('.uptime-seg[data-seg]') || e.target.closest('.uptime-segs')) hideSegTip();
+  }
 });
 document.addEventListener('scroll', hideSegTip, true);