diff --git a/src/Controller/TorrentController.php b/src/Controller/TorrentController.php
index 806b675..e2b3281 100644
--- a/src/Controller/TorrentController.php
+++ b/src/Controller/TorrentController.php
@@ -257,6 +257,12 @@ class TorrentController extends AbstractController
                     $form['torrent']['error'][] = $translator->trans('Torrent file out of size limit');
                 }
 
+                //// Check for duplicates
+                if ($torrentService->findTorrentByMd5File(md5_file($file->getPathName())))
+                {
+                    $form['torrent']['error'][] = $translator->trans('Torrent file already exists');
+                }
+
                 //// Validate torrent format
                 if (!$torrentService->readTorrentFileByFilepath($file->getPathName()))
                 {
diff --git a/src/Entity/Torrent.php b/src/Entity/Torrent.php
index aba75a0..38cc8d6 100644
--- a/src/Entity/Torrent.php
+++ b/src/Entity/Torrent.php
@@ -28,6 +28,9 @@ class Torrent
     #[ORM\Column]
     private ?bool $approved = null;
 
+    #[ORM\Column(length: 32)]
+    private ?string $md5file = null;
+
     #[ORM\Column(type: Types::TEXT, nullable: true)]
     private ?string $keywords = null;
 
@@ -88,6 +91,18 @@ class Torrent
         return $this;
     }
 
+    public function getMd5file(): ?string
+    {
+        return $this->md5file;
+    }
+
+    public function setMd5file(string $md5file): static
+    {
+        $this->md5file = $md5file;
+
+        return $this;
+    }
+
     public function getKeywords(): ?string
     {
         return $this->keywords;
diff --git a/src/Service/TorrentService.php b/src/Service/TorrentService.php
index 17d3457..907d109 100644
--- a/src/Service/TorrentService.php
+++ b/src/Service/TorrentService.php
@@ -209,6 +209,7 @@ class TorrentService
         $torrent = $this->addTorrent(
             $userId,
             $added,
+            md5_file($filepath),
             $this->generateTorrentKeywordsByTorrentFilepath(
                 $filepath
             ),
@@ -256,6 +257,7 @@ class TorrentService
     public function addTorrent(
         int $userId,
         int $added,
+        string $md5file,
         string $keywords,
         bool $approved
     ): ?Torrent
@@ -264,6 +266,7 @@ class TorrentService
 
         $torrent->setUserId($userId);
         $torrent->setAdded($added);
+        $torrent->setMd5File($md5file);
         $torrent->setKeywords($keywords);
         $torrent->setApproved($approved);
 
@@ -294,6 +297,17 @@ class TorrentService
                     );
     }
 
+    public function findTorrentByMd5File(string $md5file) : ?Torrent
+    {
+        return $this->entityManagerInterface
+                    ->getRepository(Torrent::class)
+                    ->findOneBy(
+                        [
+                            'md5file' => $md5file
+                        ]
+                    );
+    }
+
     public function setTorrentsApprovedByUserId(
         int $userId,
         bool $value