diff --git a/appveyor.yml b/appveyor.yml
index ee349a3..8d6cbb9 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,7 +9,7 @@ init:
   
 before_build:
 - ps: >-
-    (new-object net.webclient).DownloadFile('https://go.microsoft.com/fwlink/?LinkID=827524','core.exe')
+    invoke-webrequest https://go.microsoft.com/fwlink/?LinkID=827524 -OutFile core.exe
     core.exe /install /quiet /norestart
     dotnet restore