diff --git a/application/views/scripts/deployment/index.phtml b/application/views/scripts/deployment/index.phtml
index da24aed1..743f72b5 100644
--- a/application/views/scripts/deployment/index.phtml
+++ b/application/views/scripts/deployment/index.phtml
@@ -2,6 +2,17 @@
 
 use Icinga\Util\Format;
 
+function colorize($log) {
+    $log = preg_replace(
+        '/^(debug|notice|information|warning|critical)\/(\w+)/m',
+        '<span class="loglevel \1">\1</span>/<span class="application">\2</span>',
+        $log
+    );
+
+    $log = preg_replace('/([\^]{2,})/', '<span class="error-hint">\1</span>', $log);
+    return $log;
+}
+
 ?><div class="controls">
 <?= $this->tabs ?>
 <h1><?= $this->escape($this->title) ?></h1>
@@ -73,7 +84,9 @@ if ($deployment->startup_succeeded === null) {
 <?php if ($deployment->startup_succeeded !== null): ?>
 <h2>Startup log</h2>
 <pre class="logfile">
-<?= $this->escape($deployment->startup_log) ?>
+<?= colorize(
+    $this->escape($deployment->startup_log)
+) ?>
 </pre>
 <?php endif ?>
 </div>
diff --git a/public/css/module.less b/public/css/module.less
index e5a57346..0ba1911e 100644
--- a/public/css/module.less
+++ b/public/css/module.less
@@ -37,7 +37,40 @@ pre {
 
 pre.logfile {
   font-size: 0.875em;
-  padding: 0;
+  padding: 1em;
+  background-color: #222;
+  color: #ddd;
+  overflow: auto;
+  white-space: pre;
+
+  .loglevel, .application {
+    font-weight: bold;
+  }
+
+  .critical {
+    color: @color-critical;
+  }
+
+  .warning {
+    color: @color-warning;
+  }
+
+  .information {
+    color: @color-ok;
+  }
+
+  .notice {
+    // color: @color-ok;
+  }
+
+  .debug {
+    color: @color-pending;
+  }
+
+  .error-hint {
+    color: #fff;
+    font-weight: 900;
+  }
 }
 
 table.avp th {