diff --git a/core/ormdocument.class.inc.php b/core/ormdocument.class.inc.php
index 4f2e37fdc..2d0c1aa62 100644
--- a/core/ormdocument.class.inc.php
+++ b/core/ormdocument.class.inc.php
@@ -176,7 +176,6 @@ class ormDocument
 			case 'image/jpeg':
 			case 'image/gif':
 			case 'image/bmp':
-			case 'image/tiff':
 			case 'image/svg+xml':
 			$bRet = true;
 			break;