diff --git a/library/attach_mod/posting_attachments.php b/library/attach_mod/posting_attachments.php
index f9461874..a412197f 100644
--- a/library/attach_mod/posting_attachments.php
+++ b/library/attach_mod/posting_attachments.php
@@ -928,6 +928,16 @@ class attach_parent
 			}
 
 			//bt
+			// Block uploading more than one torrent file
+			if (!$error && $this->extension === TORRENT_EXT && in_array(TORRENT_EXT, $this->attachment_extension_list))
+			{
+				$error = TRUE;
+				if (!empty($error_msg))
+				{
+					$error_msg .= '<br />';
+				}
+				$error_msg .= $lang['ONLY_1_TOR_PER_TOPIC'];
+			}
 			// Check if user can post torrent
 			global $post_data;
 
@@ -1355,4 +1365,4 @@ function execute_posting_attachment_handling()
 
 	$attachment_mod['posting'] = new attach_posting();
 	$attachment_mod['posting']->posting_attachment_mod();
-}
\ No newline at end of file
+}