diff --git a/appveyor.yml b/appveyor.yml
index 4194770a..c5637d38 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,7 @@
 version: 0.5.17
 environment:
-  nodejs_version: "8"
+  matrix:
+    - nodejs_version: '8'
 pull_requests:
   do_not_increment_build_number: true
 branches: