diff --git a/app/views/oer/market/_materials.php b/app/views/oer/market/_materials.php
index 8bb755eb5ef9dd928f62f9de6b01376fdc76c94e..bdff3fc987a0f4ad2b942fafab03579fd4b5d351 100644
--- a/app/views/oer/market/_materials.php
+++ b/app/views/oer/market/_materials.php
@@ -1,3 +1,3 @@
 <? foreach ($materialien as $material) : ?>
-    <?= $this->render_partial("oer/market/_material_short.php", compact("material", "plugin")) ?>
+    <?= $this->render_partial('oer/market/_material_short.php', compact('material')) ?>
 <? endforeach ?>
diff --git a/app/views/oer/market/index.php b/app/views/oer/market/index.php
index 0b33a712cd8843d9210de9cb17071bee1ca55775..06af1f32aa6767f37ee49a4016b3d8225bca2d9a 100644
--- a/app/views/oer/market/index.php
+++ b/app/views/oer/market/index.php
@@ -35,11 +35,11 @@ if ($materialien !== null) {
 </form>
 
 
-<? if ($new_ones) : ?>
+<? if (!empty($new_ones)) : ?>
     <div id="new_ones">
         <h2><?= _('Neuste Materialien') ?></h2>
         <ul class="oer_material_overview">
-            <?= $this->render_partial("oer/market/_materials.php", ['materialien' => $new_ones]) ?>
+            <?= $this->render_partial('oer/market/_materials.php', ['materialien' => $new_ones]) ?>
         </ul>
     </div>
 <? endif ?>
diff --git a/app/views/oer/market/search.php b/app/views/oer/market/search.php
index b75021fe32ecb9e2fb5a20affa94ca96a6b8c5a0..3d5b75ccbf9070810b8c631a7bbb764b6b42bc60 100644
--- a/app/views/oer/market/search.php
+++ b/app/views/oer/market/search.php
@@ -1,6 +1,6 @@
-<? if ($materialien) : ?>
+<? if (!empty($materialien)) : ?>
     <ul class="oer_material_overview mainlist">
-        <?= $this->render_partial("oer/market/_materials.php", compact("material", "plugin")) ?>
+        <?= $this->render_partial('oer/market/_materials.php', compact('materialien')) ?>
     </ul>
 <? else : ?>
     <?= MessageBox::info(_('Keine Materialien gefunden')) ?>
diff --git a/app/views/oer/market/type.php b/app/views/oer/market/type.php
index b472191be588b5541140a8dbdc7ddd85131806e9..5fd01ee7c081c1ab2e14e31e7d836c5dbafa41a5 100644
--- a/app/views/oer/market/type.php
+++ b/app/views/oer/market/type.php
@@ -1,6 +1,6 @@
-<? if ($materialien) : ?>
+<? if (!empty($materialien)) : ?>
     <ul class="oer_material_overview mainlist">
-        <?= $this->render_partial("oer/market/_materials.php", compact("material", "plugin")) ?>
+        <?= $this->render_partial('oer/market/_materials.php', compact('materialien')) ?>
     </ul>
 <? else : ?>
     <?= MessageBox::info(_('Keine Materialien gefunden')) ?>