diff --git a/appveyor.yml b/appveyor.yml
index 5670dad3..cff0dedd 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,7 @@
 version: 1.0.{build}
 build_script:
-- ps: >-
-    $env:Path += ";C:\cygwin64\bin"
-    .\build-win32.ps
+- ps: |
+$env:Path += ";C:\cygwin64\bin"
+& build-win32.ps1
 artifacts:
-- path: cmakebuild\*.zip
\ No newline at end of file
+- path: cmakebuild\*.zip
diff --git a/build-win32.ps b/build-win32.ps1
similarity index 100%
rename from build-win32.ps
rename to build-win32.ps1