diff --git a/library/attach_mod/posting_attachments.php b/library/attach_mod/posting_attachments.php
index c3e6aef2..a91c5916 100644
--- a/library/attach_mod/posting_attachments.php
+++ b/library/attach_mod/posting_attachments.php
@@ -843,6 +843,37 @@ class attach_parent
 			$file = $_FILES['fileupload']['tmp_name'];
 			$this->type = $_FILES['fileupload']['type'];
 
+			if (isset($_FILES['fileupload']['error']))
+			{
+				switch ($_FILES['fileupload']['error'])
+				{
+					case UPLOAD_ERR_NO_FILE:
+						bb_die('No file content sent');
+						break;
+					case UPLOAD_ERR_INI_SIZE:
+						bb_die('upload_max_filesize setting: ' . ini_get('upload_max_filesize'));
+						break;
+					case UPLOAD_ERR_FORM_SIZE:
+						bb_die('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form');
+						break;
+					case UPLOAD_ERR_CANT_WRITE:
+						bb_die('Failed to write file to disk, check permissions');
+						break;
+					case UPLOAD_ERR_PARTIAL:
+						bb_die('The uploaded file was only partially uploaded');
+						break;
+					case UPLOAD_ERR_EXTENSION:
+						bb_die('File upload stopped by extension');
+						break;
+					case UPLOAD_ERR_NO_TMP_DIR:
+						bb_die('Missing a temporary folder');
+						break;
+					default:
+						bb_die('Unknown upload error');
+						break;
+				}
+			}
+
 			if (isset($_FILES['fileupload']['size']) && $_FILES['fileupload']['size'] == 0)
 			{
 				bb_die('Tried to upload empty file');