diff --git a/scripts/appveyor/install.ps1 b/scripts/appveyor/install.ps1
index 3eafeaf9..3fb6cf28 100644
--- a/scripts/appveyor/install.ps1
+++ b/scripts/appveyor/install.ps1
@@ -78,9 +78,10 @@ function InstallPackage ($python_home, $pkg) {
 }
 
 function main () {
-    InstallPython $env:PYTHON_VERSION $env:PYTHON_ARCH $env:PYTHON
-    InstallPip $env:PYTHON
-    InstallPackage $env:PYTHON wheel
+    InstallPython $env:PYTHON_VERSION $env:PYTHON_ARCH $env:PYTHON_HOME
+    InstallPip $env:PYTHON_HOME
+    InstallPackage $env:PYTHON_HOME setuptools
+    InstallPackage $env:PYTHON_HOME tox
 }
 
 main
\ No newline at end of file