diff --git a/plugins/dynamix.docker.manager/include/DockerContainers.php b/plugins/dynamix.docker.manager/include/DockerContainers.php
index aeb4bddbf..e52a984b9 100644
--- a/plugins/dynamix.docker.manager/include/DockerContainers.php
+++ b/plugins/dynamix.docker.manager/include/DockerContainers.php
@@ -76,7 +76,7 @@ foreach ($containers as $ct) {
   $color = $status=='started' ? 'green-text' : ($status=='paused' ? 'orange-text' : 'red-text');
   $update = $updateStatus==1 ? 'blue-text' : '';
   $icon = $info['icon'] ?: '/plugins/dynamix.docker.manager/images/question.png';
-  $image = substr($icon,-4)=='.png' ? "<img src='$icon?".filemtime("$docroot{$info['icon']}")."' class='img'>" : (substr($icon,0,5)=='icon-' ? "<i class='$icon img'></i>" : "<i class='fa fa-$icon img'></i>");
+  $image = substr($icon,-4)=='.png' ? "<img src='$icon?".filemtime("$docroot{$info['icon']}")."' class='img' onerror=this.src='/plugins/dynamix.docker.manager/images/question.png';>" : (substr($icon,0,5)=='icon-' ? "<i class='$icon img'></i>" : "<i class='fa fa-$icon img'></i>");
   $wait = var_split($autostart[array_search($name,$names)],1);
   $ports = [];
   foreach ($ct['Ports'] as $port) {
diff --git a/plugins/dynamix/include/DashboardApps.php b/plugins/dynamix/include/DashboardApps.php
index 3411f02a2..bf8f15426 100644
--- a/plugins/dynamix/include/DashboardApps.php
+++ b/plugins/dynamix/include/DashboardApps.php
@@ -55,7 +55,7 @@ if ($_POST['docker'] && ($display=='icons' || $display=='docker')) {
     $color = $status=='started' ? 'green-text' : ($status=='paused' ? 'orange-text' : 'red-text');
     $update = $updateStatus==1 ? 'blue-text' : '';
     $icon = $info['icon'] ?: '/plugins/dynamix.docker.manager/images/question.png';
-    $image = substr($icon,-4)=='.png' ? "<img src='$icon?".filemtime("$docroot{$info['icon']}")."' class='img'>" : (substr($icon,0,5)=='icon-' ? "<i class='$icon img'></i>" : "<i class='fa fa-$icon img'></i>");
+    $image = substr($icon,-4)=='.png' ? "<img src='$icon?".filemtime("$docroot{$info['icon']}")."' class='img' onerror=this.src='/plugins/dynamix.docker.manager/images/question.png';>" : (substr($icon,0,5)=='icon-' ? "<i class='$icon img'></i>" : "<i class='fa fa-$icon img'></i>");
     echo "<span class='outer solid apps $status'><span id='$id' class='hand'>$image</span><span class='inner'><span class='$update'>$name</span><br><i class='fa fa-$shape $status $color'></i><span class='state'>"._($status)."</span></span></span>";
   }
   $none = count($containers) ? _('No running docker containers') : _('No docker containers defined');