diff --git a/appveyor.yml b/appveyor.yml
index 5955507aa567..30b0ac3a82f1 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,6 +13,9 @@ image: Visual Studio 2019
 environment:
   scoop: C:\projects\scoop
   scoop_home: C:\projects\scoop
+  scoop_helpers: C:\projects\helpers
+  lessmsi: '%scoop_helpers%\lessmsi\lessmsi.exe'
+  innounp: '%scoop_helpers%\innounp\innounp.exe'
   matrix:
     - PowerShell: 5
     - PowerShell: 6