diff --git a/.appveyor.yml b/.appveyor.yml
index 576a58dc..bd8bbaba 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,5 +1,5 @@
 version: '0.2.0.{build}'
-image: Visual Studio 2017
+image: Visual Studio 2015
 platform:
   - x64