diff --git a/appveyor.yml b/appveyor.yml
index 0e400c275e..d431daecc0 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,7 +14,7 @@ environment:
     STACK_ROOT: "c:\\sr"
 
 test_script:
-- stack setup &> nul
+- stack setup > nul
 # The ugly echo "" hack is to avoid complaints about 0 being an invalid file
 # descriptor
 - echo "" | stack --no-terminal test