diff --git a/packages/web/src/components/AppShell.vue b/packages/web/src/components/AppShell.vue
index b277c16..cb566af 100644
--- a/packages/web/src/components/AppShell.vue
+++ b/packages/web/src/components/AppShell.vue
@@ -28,7 +28,7 @@
 <template>
   <!-- public pages (project/report links) reuse this shell without a session:
        show the plain centered body when nobody is logged in -->
-  <GnNavigationShell v-if="auth.user.value" brand="BugTrail" :items="items" @select="onSelect">
+  <GnNavigationShell v-if="auth.user.value" brand="BugTrail" logo-src="/bugtrail.svg" :items="items" @select="onSelect">
     <template #content>
       <div class="shell-body">
         <slot />
@@ -48,6 +48,15 @@
   </div>
 </template>
 
+<style>
+/* kit .nav-topbar-brand img caps the logo at 22px — BugTrail's mark is
+   designed as a 48px tile; the shell renders the topbar outside the scoped
+   content slot, so the override must be global */
+.nav-topbar-brand img {
+  width: 48px;
+  height: 48px;
+}
+</style>
 <style scoped>
 .shell-body {
   max-width: 1100px;