diff --git a/library/Icinga/File/Ini/IniWriter.php b/library/Icinga/File/Ini/IniWriter.php
index f00040e39..1f470b006 100644
--- a/library/Icinga/File/Ini/IniWriter.php
+++ b/library/Icinga/File/Ini/IniWriter.php
@@ -118,7 +118,7 @@ class IniWriter
     {
         $doc = new Document();
         $dangling = $oldDoc->getCommentsDangling();
-        if (isset($dangling)) {
+        if (! empty($dangling)) {
             $doc->setCommentsDangling($dangling);
         }
         foreach ($newconfig->toArray() as $section => $directives) {