diff --git a/appveyor.yml b/appveyor.yml
index 401f4a0..2f92a0c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,7 +4,7 @@ os: Visual Studio 2015
 
 init:
   - git config --global core.autocrlf input
-  - 'SET PATH=C:\MinGW\bin;%PATH%;C:\MinGW\msys\1.0\bin;%APPVEYOR_BUILD_FOLDER%\build;%APPVEYOR_BUILD_FOLDER%\build\Debug'
+  - 'SET PATH=C:\MinGW\bin;%PATH%;C:\MinGW\msys\1.0\bin;%APPVEYOR_BUILD_FOLDER%\build;%APPVEYOR_BUILD_FOLDER%\build\Debug;%APPVEYOR_BUILD_FOLDER%\build\external\bin;%APPVEYOR_BUILD_FOLDER%\build\external\lib'
 
 environment:
   COVERALLS_REPO_TOKEN: