diff --git a/frontend/ui/widget/networksetting.lua b/frontend/ui/widget/networksetting.lua
index 60efaf4ad..a0a582185 100644
--- a/frontend/ui/widget/networksetting.lua
+++ b/frontend/ui/widget/networksetting.lua
@@ -255,6 +255,7 @@ function NetworkItem:saveAndConnectToNetwork(password_input)
     else
         if new_passwd ~= self.info.password then
             self.info.password = new_passwd
+            self.info.psk = nil
             NetworkMgr:saveNetwork(self.info)
         end
         self:connect()