diff --git a/ad_recommendation.php b/ad_recommendation.php
index fa180da..5aaceeb 100644
--- a/ad_recommendation.php
+++ b/ad_recommendation.php
@@ -166,7 +166,11 @@ if ($stmt && $stmt->num_rows > 0) {
             <div class="ad-recommendation__content">
                 <span class="ad-recommendation__badge">Empfehlung des Tages</span>
                 <h2><?= $rModel ?></h2>
-                <p><?= (mb_strlen($rDesc) > 120) ? mb_substr($rDesc, 0, 120) . '...' : $rDesc ?></p>
+                <?php
+                    $descLen = function_exists('mb_strlen') ? mb_strlen($rDesc) : strlen($rDesc);
+                    $descShort = $descLen > 120 ? (function_exists('mb_substr') ? mb_substr($rDesc, 0, 120) : substr($rDesc, 0, 120)) . '...' : $rDesc;
+                ?>
+                <p><?= $descShort ?></p>
                 <a href="productpage.php?id=<?= $rID ?>" class="ad-recommendation__btn">Jetzt ansehen &rsaquo;</a>
             </div>
             <div class="ad-recommendation__image-wrapper">