diff --git a/.appveyor.yml b/.appveyor.yml
index b9a1927d..96f583eb 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -13,6 +13,10 @@ init: []
 install:
 - git clone https://github.com/Microsoft/vcpkg
 - cd vcpkg
+- dir
+- mkdir downloads
+- type nul > downloads\AlwaysAllowDownloads
+- dir downloads
 - powershell -exec bypass scripts\bootstrap.ps1
 - vcpkg install cryptopp zlib
 - vcpkg integrate install