diff --git a/appveyor.yml b/appveyor.yml
index 14c864a9..21cd9eb1 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -17,7 +17,7 @@ init:
 install:
   - ps:
       if ($env:TOXENV -notmatch 'pypy') {
-        choco install --no-progress python.pypy
+        choco install python.pypy --no-progress
         $env:PATH = "C:\tools\pypy\pypy;$env:PATH"
         pypy --version
       }