diff --git a/content/updateArticle.php b/content/updateArticle.php
index 1cd6801..5d7bb5f 100644
--- a/content/updateArticle.php
+++ b/content/updateArticle.php
@@ -40,44 +40,44 @@ include_once 'php/controller/showArticle-controller.php';
         <div class="sidebar-block">
             <label for="category">Kategorie <span class="required">*</span></label>
             <select id="category" name="category" required>
-                <option disabled selected>Kategorie wählen...</option>
+                <option disabled <?php echo (!isset($_SESSION['old_category']) || $_SESSION['old_category'] === '') ? 'selected' : ''; ?>>Kategorie wählen...</option>
 
                 <optgroup label="Sprachen">
-                    <option value="deutsch">Deutsch</option>
-                    <option value="englisch">Englisch</option>
-                    <option value="franzoesisch">Französisch</option>
-                    <option value="latein">Latein</option>
-                    <option value="literatur">Literatur</option>
+                    <option value="deutsch" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'deutsch') ? 'selected' : ''; ?>>Deutsch</option>
+                    <option value="englisch" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'englisch') ? 'selected' : ''; ?>>Englisch</option>
+                    <option value="franzoesisch" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'franzoesisch') ? 'selected' : ''; ?>>Französisch</option>
+                    <option value="latein" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'latein') ? 'selected' : ''; ?>>Latein</option>
+                    <option value="literatur" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'literatur') ? 'selected' : ''; ?>>Literatur</option>
                 </optgroup>
 
                 <optgroup label="MINT">
-                    <option value="mathe">Mathematik</option>
-                    <option value="biologie">Biologie</option>
-                    <option value="chemie">Chemie</option>
-                    <option value="physik">Physik</option>
-                    <option value="informatik">Informatik</option>
-                    <option value="astronomie">Astronomie</option>
+                    <option value="mathe" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'mathe') ? 'selected' : ''; ?>>Mathematik</option>
+                    <option value="biologie" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'biologie') ? 'selected' : ''; ?>>Biologie</option>
+                    <option value="chemie" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'chemie') ? 'selected' : ''; ?>>Chemie</option>
+                    <option value="physik" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'physik') ? 'selected' : ''; ?>>Physik</option>
+                    <option value="informatik" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'informatik') ? 'selected' : ''; ?>>Informatik</option>
+                    <option value="astronomie" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'astronomie') ? 'selected' : ''; ?>>Astronomie</option>
                 </optgroup>
 
                 <optgroup label="Gesellschaft & Werte">
-                    <option value="geschichte">Geschichte</option>
-                    <option value="erdkunde">Erdkunde</option>
-                    <option value="sozialkunde">Sozialkunde</option>
-                    <option value="wirtschaft">Wirtschaftskunde</option>
-                    <option value="religion">Religion</option>
-                    <option value="ethik">Ethikunterricht</option>
-                    <option value="philosophie">Philosophie</option>
-                    <option value="psychologie">Psychologie</option>
-                    <option value="kunst">Kunst</option>
-                    <option value="musik">Musik</option>
-                    <option value="theater">Theater</option>
+                    <option value="geschichte" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'geschichte') ? 'selected' : ''; ?>>Geschichte</option>
+                    <option value="erdkunde" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'erdkunde') ? 'selected' : ''; ?>>Erdkunde</option>
+                    <option value="sozialkunde" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'sozialkunde') ? 'selected' : ''; ?>>Sozialkunde</option>
+                    <option value="wirtschaft" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'wirtschaft') ? 'selected' : ''; ?>>Wirtschaftskunde</option>
+                    <option value="religion" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'religion') ? 'selected' : ''; ?>>Religion</option>
+                    <option value="ethik" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'ethik') ? 'selected' : ''; ?>>Ethikunterricht</option>
+                    <option value="philosophie" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'philosophie') ? 'selected' : ''; ?>>Philosophie</option>
+                    <option value="psychologie" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'psychologie') ? 'selected' : ''; ?>>Psychologie</option>
+                    <option value="kunst" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'kunst') ? 'selected' : ''; ?>>Kunst</option>
+                    <option value="musik" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'musik') ? 'selected' : ''; ?>>Musik</option>
+                    <option value="theater" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'theater') ? 'selected' : ''; ?>>Theater</option>
                 </optgroup>
 
                 <optgroup label="Technik & Praxis">
-                    <option value="technik">Technik</option>
-                    <option value="werken">Werken</option>
-                    <option value="hauswirtschaft">Hauswirtschaft</option>
-                    <option value="sport">Sport</option>
+                    <option value="technik" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'technik') ? 'selected' : ''; ?>>Technik</option>
+                    <option value="werken" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'werken') ? 'selected' : ''; ?>>Werken</option>
+                    <option value="hauswirtschaft" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'hauswirtschaft') ? 'selected' : ''; ?>>Hauswirtschaft</option>
+                    <option value="sport" <?php echo (isset($_SESSION['old_category']) && $_SESSION['old_category'] === 'sport') ? 'selected' : ''; ?>>Sport</option>
                 </optgroup>
             </select>
         </div>