diff --git a/appveyor.yml b/appveyor.yml
index 26606736e9a7efd3fbcb809f33bedb854d0fbe3c..fb8239aa882f9ffda9214573ea5f1b72967da40e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,9 +4,10 @@ branches:
 
 version: '0.1.0.{build}'
 
-matrix:
-  - PYTHON: "C:\\Miniconda35-x64\\Scripts\\activate.bat"
-  - PYTHON: "C:\\Miniconda36-x64\\Scripts\\activate.bat"
+environment:
+  matrix:
+    - PYTHON: "C:\\Miniconda35-x64\\Scripts\\activate.bat"
+    - PYTHON: "C:\\Miniconda36-x64\\Scripts\\activate.bat"
 
 platform:
   - x64