diff --git a/docs/web-ui.md b/docs/web-ui.md
index 8f08662..a3cb6d7 100644
--- a/docs/web-ui.md
+++ b/docs/web-ui.md
@@ -162,7 +162,10 @@ the previous process's socket release resolves itself.
 A full-height **square agent icon** on the left (the agent's
 `/icon`, painted as a background-image div so its load state can
 never reflow the row), and the card body on the right with three
-stacked lines (`assets/app.js::renderContainers`):
+stacked lines (`assets/app.js::renderContainers`). When the
+container is stopped or mid-transient (its web server isn't
+answering) the icon falls back to the dimmed hyperhive mark
+(`/favicon.svg`) instead of an empty box.
 
 - Line 1: agent name (link → new tab), m1nd/ag3nt chip, status
   badges — `⊘ rate limited` (red, while the harness is parked
diff --git a/hive-c0re/assets/app.js b/hive-c0re/assets/app.js
index e23d222..6b68c16 100644
--- a/hive-c0re/assets/app.js
+++ b/hive-c0re/assets/app.js
@@ -580,13 +580,18 @@
 
       // Full-height square agent icon, left of the card body. A
       // background-image on a div (not <img>) contributes no intrinsic
-      // size, so loading or failing it can't shift the row layout, and
-      // a failed load (stopped container, web server down) just shows
-      // the placeholder fill — no broken-image glyph, no collapse.
-      // (issue #177)
+      // size, so loading or failing it can't shift the row layout —
+      // no broken-image glyph, no collapse. (issue #177)
+      //
+      // When the container is stopped or mid-transient (restarting,
+      // rebuilding…) its web server isn't answering, so `<url>/icon`
+      // would just fail to an empty box. Fall back to the dimmed
+      // hyperhive mark (`/favicon.svg`, served by the dashboard
+      // itself, always reachable) instead. (issue #195)
+      const reachable = c.running && !pending;
       const icon = el('div', {
-        class: 'container-icon',
-        style: `background-image:url("${url}icon")`,
+        class: 'container-icon' + (reachable ? '' : ' icon-unreachable'),
+        style: `background-image:url("${reachable ? `${url}icon` : '/favicon.svg'}")`,
       });
       // Card body: the three stacked content lines, right of the icon.
       const body = el('div', { class: 'card-body' });
diff --git a/hive-c0re/assets/dashboard.css b/hive-c0re/assets/dashboard.css
index 0e05cc9..dc9133e 100644
--- a/hive-c0re/assets/dashboard.css
+++ b/hive-c0re/assets/dashboard.css
@@ -98,6 +98,12 @@ a:hover {
   background-position: center;
   background-repeat: no-repeat;
 }
+/* Stopped / mid-transient container: the dimmed hyperhive mark stands
+   in for the unreachable agent icon (issue #195). */
+.container-row:not(.tombstone) > .container-icon.icon-unreachable {
+  filter: grayscale(1);
+  opacity: 0.4;
+}
 .container-row .card-body {
   flex: 1;
   min-width: 0;