diff --git a/appveyor.yml b/appveyor.yml
index a4c50a2..9e4187c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,7 +7,7 @@ install:
         Set-Item -path env:DMD -value c:\projects\dmd2\windows\bin\dmd.exe
         c:\projects\dmd2\windows\bin\dmd.exe --version
         $dubVersion = '1.1.1'
-        Invoke-WebRequest "https://code.dlang.org/files/dub-1.1.1-windows-x86.zip" - OutFile dub.zip
+        Invoke-WebRequest "https://code.dlang.org/files/dub-1.1.1-windows-x86.zip" -OutFile dub.zip
         7z x dub.zip > $null
         Set-Item -path env:DMD -value c:\projects\dub\dub.exe