diff --git a/.appveyor.yml b/.appveyor.yml
index a051a20d1..4674a3883 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,3 +1,4 @@
+image: Visual Studio 2017
 environment:
   matrix:
   - TARGET: x86_64-pc-windows-msvc