diff --git a/.appveyor.yml b/.appveyor.yml
index 6213e3333..d42b140bf 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -50,6 +50,6 @@ after_test:
   - ps: |
       if ($env:BUILD_ARTIFACT -eq "true") {
         pip install wheel
-	python setup.py bdist_wheel
-	Get-ChildItem dist\*.whl | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name }
+        python setup.py bdist_wheel
+        Get-ChildItem dist\*.whl | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name }
       }