diff --git a/public/main/inc/ajax/lp.ajax.php b/public/main/inc/ajax/lp.ajax.php
index 1a198f38969..04408f5d70d 100644
--- a/public/main/inc/ajax/lp.ajax.php
+++ b/public/main/inc/ajax/lp.ajax.php
@@ -33,30 +33,36 @@
     case 'get_lp_export_items':
         $lpItems = [];
         if ($lp) {
-            $items = learnpath::get_flat_ordered_items_list($lp);
-            $lpItemRepo = Container::getLpItemRepository();
+            $entries      = learnpath::get_flat_ordered_items_list($lp, 0, true);
+            $lpItemRepo   = Container::getLpItemRepository();
             $documentRepo = Container::getDocumentRepository();
-            foreach ($items as $itemId) {
-                $item = $lpItemRepo->find($itemId);
 
-                if ('document' !== $item->getItemType()) {
+            foreach ($entries as $entry) {
+                $iid           = (int) $entry['iid'];
+                $exportAllowed = !empty($entry['export_allowed']);
+                if (!$exportAllowed) {
+                    continue;
+                }
+
+                /** @var CLpItem|null $item */
+                $item = $lpItemRepo->find($iid);
+                if (!$item || $item->getItemType() !== 'document') {
                     continue;
                 }
 
-                $document = $documentRepo->find((int) $item->getPath());
-                if (!$document instanceof CDocument) {
+                $doc = $documentRepo->find((int) $item->getPath());
+                if (!$doc instanceof CDocument) {
                     continue;
                 }
 
-                // Only export if it's a valid HTML file
                 try {
-                    $content = $documentRepo->getResourceFileContent($document);
-                    if (!is_string($content) || !preg_match('/^\s*<(?!!--|!doctype|html|body)/i', $content)) {
+                    $content = $documentRepo->getResourceFileContent($doc);
+                    if (!is_string($content) || stripos(ltrim($content), '<') !== 0) {
                         continue;
                     }
 
                     $lpItems[] = [
-                        'id' => $item->getIid(),
+                        'id'    => $item->getIid(),
                         'title' => $item->getTitle(),
                     ];
                 } catch (\Throwable $e) {
diff --git a/public/main/lp/ScormExport.php b/public/main/lp/ScormExport.php
index 1ffcf9949fe..ab947df7f9c 100644
--- a/public/main/lp/ScormExport.php
+++ b/public/main/lp/ScormExport.php
@@ -1020,15 +1020,25 @@ public static function exportToPdf(int $lpId, array $courseInfo, array $selected
         $courseCode = $courseInfo['code'];
         $scormPath = null;
 
-        $orderedItemIds = learnpath::get_flat_ordered_items_list($lp);
+        $entries     = learnpath::get_flat_ordered_items_list($lp, 0, true);
+
+        foreach ($entries as $entry) {
+            $itemId = is_array($entry) ? (int) $entry['iid'] : (int) $entry;
 
-        foreach ($orderedItemIds as $itemId) {
             if (!empty($selectedItems) && !in_array($itemId, $selectedItems)) {
                 continue;
             }
 
+            if (is_array($entry) && empty($entry['export_allowed'])) {
+                continue;
+            }
+
             /** @var CLpItem $item */
             $item = $lpItemRepo->find($itemId);
+            if (!$item) {
+                continue;
+            }
+
             $type = $item->getItemType();
 
             switch ($type) {
@@ -1048,7 +1058,7 @@ public static function exportToPdf(int $lpId, array $courseInfo, array $selected
                     try {
                         $content = $documentRepo->getResourceFileContent($document);
 
-                        if (!is_string($content) || !preg_match('/^\s*<(?!!--|!doctype|html|body)/i', $content)) {
+                        if (!is_string($content) || stripos(ltrim($content), '<') !== 0) {
                             break;
                         }
 
diff --git a/public/main/lp/learnpath.class.php b/public/main/lp/learnpath.class.php
index 61f8b9d8ed3..c6c0172557f 100644
--- a/public/main/lp/learnpath.class.php
+++ b/public/main/lp/learnpath.class.php
@@ -2559,7 +2559,7 @@ public static function get_type_static($lp_id = 0)
      *
      * @return array Ordered list of item IDs (empty array on error)
      */
-    public static function get_flat_ordered_items_list(CLp $lp, $parent = 0)
+    public static function get_flat_ordered_items_list(CLp $lp, $parent = 0, $withExportFlag = false)
     {
         $parent = (int) $parent;
         $lpItemRepo = Container::getLpItemRepository();
@@ -2577,32 +2577,41 @@ public static function get_flat_ordered_items_list(CLp $lp, $parent = 0)
         $criteria = new Criteria();
         $criteria
             ->where($criteria->expr()->neq('path', 'root'))
-            ->orderBy(
-                [
-                    'displayOrder' => Criteria::ASC,
-                ]
-            );
+            ->orderBy(['displayOrder' => Criteria::ASC]);
         $items = $lp->getItems()->matching($criteria);
-        $items = $items->filter(
-            function (CLpItem $element) use ($parent) {
-                if ('root' === $element->getPath()) {
-                    return false;
-                }
-
-                if (null !== $element->getParent()) {
-                    return $element->getParent()->getIid() === $parent;
-                }
+        $items = $items->filter(function (CLpItem $element) use ($parent) {
+            if ('root' === $element->getPath()) {
                 return false;
+            }
+            if (null !== $element->getParent()) {
+                return $element->getParent()->getIid() === $parent;
+            }
+            return false;
+        });
 
+        if (!$withExportFlag) {
+            $ids = [];
+            foreach ($items as $item) {
+                $itemId = $item->getIid();
+                $ids[] = $itemId;
+                $subIds = self::get_flat_ordered_items_list($lp, $itemId, false);
+                foreach ($subIds as $subId) {
+                    $ids[] = $subId;
+                }
             }
-        );
+            return $ids;
+        }
+
         $list = [];
         foreach ($items as $item) {
             $itemId = $item->getIid();
-            $sublist = self::get_flat_ordered_items_list($lp, $itemId);
-            $list[] = $itemId;
-            foreach ($sublist as $subItem) {
-                $list[] = $subItem;
+            $list[] = [
+                'iid'            => $itemId,
+                'export_allowed' => $item->isExportAllowed() ? 1 : 0,
+            ];
+            $subList = self::get_flat_ordered_items_list($lp, $itemId, true);
+            foreach ($subList as $subEntry) {
+                $list[] = $subEntry;
             }
         }
 
@@ -5671,6 +5680,17 @@ public function displayDocumentForm($action = 'add', $lpItem = null)
             LearnPathItemForm::setForm($form, $action, $this, $lpItem);
         }
 
+        if ($action === 'edit' && $lpItem !== null) {
+            $form->addElement(
+                'checkbox',
+                'export_allowed',
+                get_lang('Allow PDF export for this item')
+            );
+            $form->setDefaults([
+                'export_allowed' => $lpItem->isExportAllowed() ? 1 : 0
+            ]);
+        }
+
         switch ($action) {
             case 'add':
                 $folders = DocumentManager::get_all_document_folders(
@@ -5686,11 +5706,11 @@ public function displayDocumentForm($action = 'add', $lpItem = null)
                     $form,
                     'directory_parent_id'
                 );
-
                 if ($data) {
-                    $defaults['directory_parent_id'] = $data->getIid();
+                    $form->setDefaults([
+                        'directory_parent_id' => $data->getIid()
+                    ]);
                 }
-
                 break;
         }
 
@@ -5699,6 +5719,8 @@ public function displayDocumentForm($action = 'add', $lpItem = null)
         return $form->returnForm();
     }
 
+
+
     /**
      * @param array  $courseInfo
      * @param string $content
diff --git a/public/main/lp/lp_controller.php b/public/main/lp/lp_controller.php
index e16ba529ea1..26fc473bc49 100644
--- a/public/main/lp/lp_controller.php
+++ b/public/main/lp/lp_controller.php
@@ -573,6 +573,18 @@
             if (isset($_POST['content_lp'])) {
                 $oLP->edit_document($courseInfo);
             }
+
+            $exportAllowed = (isset($_POST['export_allowed']) && '1' === $_POST['export_allowed']);
+            $repo = Container::getLpItemRepository();
+            /** @var CLpItem $item */
+            $item = $repo->find((int) $_REQUEST['id']);
+            if ($item) {
+                $item->setExportAllowed($exportAllowed);
+                $em = Database::getManager();
+                $em->persist($item);
+                $em->flush();
+            }
+
             $is_success = true;
             $extraFieldValues = new ExtraFieldValue('lp_item');
             $extraFieldValues->saveFieldValues($_POST);