diff --git a/appveyor.yml b/appveyor.yml
index 596db6f..e197f2d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -48,12 +48,14 @@ install:
   - cd %BOOST_ROOT%
   - bjam cxxstd=14 release --with-system --layout=system address-model=64 link=shared stage
 
+  - choco install ninja
+
   - cd %APPVEYOR_BUILD_FOLDER%\bindings\lib\libtorrent
   - mkdir build && cd build
   - cmake -DBOOST_LIBRARYDIR=%BOOST_ROOT%\stage\lib -DCMAKE_CXX_STANDARD=14 -Dbuild_tools=ON -G "Visual Studio 15 2017" -A x64 ..
   - cmake --build . --config Release -- -verbosity:minimal
   - cmake --install .
-  - set "PATH=c:/Program Files/libtorrent/;%PATH%"
+  - set "PATH=c:/Program Files (x86)/libtorrent/;%PATH%"
 
   - cd %APPVEYOR_BUILD_FOLDER%
   - npm install