diff --git a/dashboard/src/components/AppInstallDialog.vue b/dashboard/src/components/AppInstallDialog.vue
index b0ed67642..f9e9a97a3 100644
--- a/dashboard/src/components/AppInstallDialog.vue
+++ b/dashboard/src/components/AppInstallDialog.vue
@@ -10,7 +10,7 @@ import AppsModel from '../models/AppsModel.js';
 import DomainsModel from '../models/DomainsModel.js';
 import UsersModel from '../models/UsersModel.js';
 import GroupsModel from '../models/GroupsModel.js';
-import { PROXY_APP_ID, ACL_OPTIONS } from '../constants.js';
+import { API_ORIGIN, PROXY_APP_ID, ACL_OPTIONS } from '../constants.js';
 
 const STEP = Object.freeze({
   LOADING: Symbol('loading'),
@@ -275,12 +275,12 @@ defineExpose({
     <div v-else class="app-install-dialog-body" :class="{ 'step-detail': step === STEP.DETAILS, 'step-install': step === STEP.INSTALL }">
       <div class="app-install-header">
         <div class="summary" v-if="packageData.manifest">
-          <div class="title"><img class="icon pankow-no-desktop" style="width: 32px; height: 32px; margin-right: 10px" :src="packageData.iconUrl || '/img/appicon_fallback.png'"/>{{ manifest.title }}</div>
+          <div class="title"><img class="icon pankow-no-desktop" style="width: 32px; height: 32px; margin-right: 10px" :src="packageData.iconUrl" v-fallback-image="API_ORIGIN + '/img/appicon_fallback.png'"/>{{ manifest.title }}</div>
           <div><a :href="manifest.website" target="_blank">{{ manifest.title }}</a> {{ packageData.manifest.upstreamVersion }} - {{ $t('app.updates.info.packageVersion') }} {{ packageData.manifest.version }}</div>
           <div>{{ $t('appstore.installDialog.lastUpdated', { date: prettyDate(packageData.creationDate) }) }}</div>
           <div>{{ $t('appstore.installDialog.memoryRequirement', { size: prettyBinarySize(manifest.memoryLimit || (256 * 1024 * 1024)) }) }}</div>
         </div>
-        <img class="icon pankow-no-mobile" :src="packageData.iconUrl || '/img/appicon_fallback.png'"/>
+        <img class="icon pankow-no-mobile" :src="packageData.iconUrl" v-fallback-image="API_ORIGIN + '/img/appicon_fallback.png'"/>
       </div>
       <Transition name="slide-left" mode="out-in">
         <div v-if="step === STEP.DETAILS">