diff --git a/frontend/ui/otamanager.lua b/frontend/ui/otamanager.lua
index be2f2c210..c76ac265a 100644
--- a/frontend/ui/otamanager.lua
+++ b/frontend/ui/otamanager.lua
@@ -84,6 +84,10 @@ function OTAManager:getFilename(kind)
     end
 end
 
+function OTAManager:getZsyncFilename()
+    return self:getFilename("ota")
+end
+
 function OTAManager:checkUpdate()
     if Device:isDeprecated() then return -1 end
     local http = require("socket.http")