diff --git a/appveyor.yml b/appveyor.yml
index 83a8843..ab1721a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,7 @@
 environment:
-  nodejs_version: "4"
-  nodejs_version: "6"
+  matrix:
+    - nodejs_version: "4"
+    - nodejs_version: "6"
 
 install:
   - ps: Install-Product node $env:nodejs_version
@@ -10,3 +11,10 @@ test_script:
   - node --version
   - npm --version
   - npm test
+
+os:
+  - Windows Server 2012 R2
+
+build: off
+
+version: "{build}"
diff --git a/test/test.js b/test/test.js
index dadc80d..66fe4f1 100644
--- a/test/test.js
+++ b/test/test.js
@@ -7,7 +7,7 @@ require('chai').should()
 describe('setBlocking', function () {
   // see: https://github.com/yargs/yargs/issues/497
   it('does not truncate text printed to stdout when process.exit() is called', function (done) {
-    exec('./test/fixtures/yargs-497-stdout.js', function (err, stdout, stderr) {
+    exec('node ./test/fixtures/yargs-497-stdout.js', function (err, stdout, stderr) {
       if (err) return done(err)
       stdout.should.match(/line 2999/)
       return done()
@@ -15,7 +15,7 @@ describe('setBlocking', function () {
   })
 
   it('does not truncate text printed to stderr when process.exit() is called', function (done) {
-    exec('./test/fixtures/yargs-497-stderr.js', function (err, stdout, stderr) {
+    exec('node ./test/fixtures/yargs-497-stderr.js', function (err, stdout, stderr) {
       err.should.match(/Command failed/)
       stderr.should.match(/line 2999/)
       return done()