diff --git a/appveyor.yml b/appveyor.yml
index a213b1f2..cd09e534 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,12 +9,18 @@ environment:
       PYTHON_HOME: "C:\\Python27-x64"
       PYTHON_VERSION: "2.7"
       PYTHON_ARCH: "64"
+      
 init:
   - "ECHO %TOXENV%"
   - ps: "ls C:\\Python*"
+  
 install:
   - "git submodule update --init --recursive"
   - "powershell scripts\\appveyor\\install.ps1"
+  
+before_test:
+  - cmd: SET PATH=%PATH%;C:\MinGW\bin  
+  
 test_script:
   - "%PYTHON_HOME%\\Scripts\\tox --version"
   - "%PYTHON_HOME%\\Scripts\\pip --version"