diff --git a/appveyor.yml b/appveyor.yml
index 9e4187c..a4ed742 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,7 +9,7 @@ install:
         $dubVersion = '1.1.1'
         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
+        Set-Item env:path c:\projects\dub\dub.exe
 
 build_script:
   - cd c:\projects