diff --git a/.appveyor.yml b/.appveyor.yml
index c9bb99ad7..71eb2635d 100755
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -9,7 +9,7 @@ environment:
 
 build_script:
   - dir
-  - "C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" x86
+  - "C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\VC\\vcvarsall.bat" x86
   - cd ..
   - mkdir rssguard-build
   - cd rssguard-build