diff --git a/appveyor.yml b/appveyor.yml
index 44613fdaf..f6a14f1b0 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,6 @@
 version: 3.0.{build}
 configuration: Release
-os: Visual Studio 2017
+os: Visual Studio 2015
 environment:
   nodejs_version: "7.8.0"