diff --git a/webapp/static/js/flowlist.js b/webapp/static/js/flowlist.js
index 8a1c11e..2ee2113 100644
--- a/webapp/static/js/flowlist.js
+++ b/webapp/static/js/flowlist.js
@@ -393,10 +393,12 @@ class FlowList {
       flowInfoDiv.appendChild(flowInfoDiv2)
       flowEl.appendChild(flowInfoDiv)
 
-      // Use application protocol as first badge, or 'DOWN' if connection failed
-      const appProto = flow.app_proto?.replace('failed', 'raw')
-      const badge = appProto ? this.tagBadge(appProto.toUpperCase()) : this.tagBadge('DOWN', 'danger')
-      flowEl.appendChild(badge)
+      // Use application protocol as first badge if defined
+      const appProto = flow.app_proto?.replace('failed', 'raw') ?? 'raw'
+      if (appProto) {
+        const badge = this.tagBadge(appProto.toUpperCase())
+        flowEl.appendChild(badge)
+      }
 
       const flowTags = flow.tags?.split(',')
       tags.forEach(t => {