diff --git a/felamimail/inc/class.uicompose.inc.php b/felamimail/inc/class.uicompose.inc.php
index d70b32221e..fc279c68c5 100644
--- a/felamimail/inc/class.uicompose.inc.php
+++ b/felamimail/inc/class.uicompose.inc.php
@@ -352,7 +352,7 @@
 								'name' => $name,
 								'type' => $type,
 								'file' => $path,
-								'size' => filesize($path),
+								'size' => filesize(urldecode($path)),
 							);
 							if ($formData['type'] == egw_vfs::DIR_MIME_TYPE) continue;	// ignore directories
 						}