diff --git a/appveyor.yml b/appveyor.yml
index 13147a5..b2aa9e3 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -17,8 +17,8 @@ install:
 - go version
 - go env
 - mkdir c:\gopath\src\gopkg.in\urfave
-- robocopy c:\gopath\src\github.com\urfave\cli c:\gopath\src\gopkg.in\urfave\cli.v2
-  /DCOPY:DA /MIR /FFT /Z /XA:SH /R:0 /TEE /XJD
+- (robocopy c:\gopath\src\github.com\urfave\cli c:\gopath\src\gopkg.in\urfave\cli.v2
+      /DCOPY:DA /MIR /FFT /Z /XA:SH /R:0 /TEE /XJD) ^& IF %ERRORLEVEL% LEQ 4 exit 0
 - go get github.com/urfave/gfmxr/...
 - go get -v -t ./...