diff --git a/api/src/Vfs.php b/api/src/Vfs.php
index 7e7baac49a..c13dbce8c9 100644
--- a/api/src/Vfs.php
+++ b/api/src/Vfs.php
@@ -1383,7 +1383,9 @@ class Vfs
 			$vfs = new Vfs\StreamWrapper();
 			$stat = $vfs->url_stat($path,0);
 		}
-		return $stat['uid'] == self::$user ||	// user is the owner
+		return $stat['uid'] == self::$user &&	// (current) user is the owner
+				// in sharing current user != self::$user and should NOT have owner rights
+				$GLOBALS['egw_info']['user']['account_id'] == self::$user ||
 			self::$is_root ||					// class runs with root rights
 			!$stat['uid'] && $stat['gid'] && self::$is_admin;	// group directory and user is an eGW admin
 	}
diff --git a/filemanager/inc/class.filemanager_ui.inc.php b/filemanager/inc/class.filemanager_ui.inc.php
index 1e17d4edc2..c9709b3074 100644
--- a/filemanager/inc/class.filemanager_ui.inc.php
+++ b/filemanager/inc/class.filemanager_ui.inc.php
@@ -1321,7 +1321,8 @@ class filemanager_ui
 				5 => lang('Display of content'),
 				0 => lang('No access'),
 			);
-			if(($content['eacl'] = Vfs::get_eacl($content['path'])) !== false)	// backend supports eacl
+			if(($content['eacl'] = Vfs::get_eacl($content['path'])) !== false &&	// backend supports eacl
+				$GLOBALS['egw_info']['user']['account_id'] == Vfs::$user)	// leave eACL tab disabled for sharing
 			{
 				unset($readonlys['tabs']['filemanager.file.eacl']);	// --> switch the tab on again
 				foreach($content['eacl'] as &$eacl)