diff --git a/appveyor.yml b/appveyor.yml
index 357c2f14..4799f3d0 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -10,10 +10,8 @@ platform:
 
 install:
   - script\configure.cmd
-  - msbuild runtime.vcxproj
-  - msbuild compiler.vcxproj
-  - msbuild tests.vcxproj
 
 test_script:
+  - script\test.cmd
 
 build: off
diff --git a/script/configure.cmd b/script/configure.cmd
index 77819efc..dc73e8de 100644
--- a/script/configure.cmd
+++ b/script/configure.cmd
@@ -1,3 +1,3 @@
 git submodule update --init --recursive
-.\externals\gyp\gyp project.gyp --depth .
-.\externals\gyp\gyp tests.gyp --depth .
+call .\externals\gyp\gyp.bat project.gyp --depth .
+call .\externals\gyp\gyp.bat tests.gyp --depth .
diff --git a/script/test.cmd b/script/test.cmd
new file mode 100644
index 00000000..08a2aa98
--- /dev/null
+++ b/script/test.cmd
@@ -0,0 +1 @@
+msbuild /p:Configuration=Test tests.vcxproj
\ No newline at end of file