diff --git a/appveyor.yml b/appveyor.yml
index bdc29d9352f00eb6ff40d70b7847fc2f0ac20eb7..26606736e9a7efd3fbcb809f33bedb854d0fbe3c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,8 +5,8 @@ branches:
 version: '0.1.0.{build}'
 
 matrix:
-  - PYTHON: "C:\\Miniconda35-x64\Scripts\activate.bat"
-  - PYTHON: "C:\\Miniconda36-x64\Scripts\activate.bat"
+  - PYTHON: "C:\\Miniconda35-x64\\Scripts\\activate.bat"
+  - PYTHON: "C:\\Miniconda36-x64\\Scripts\\activate.bat"
 
 platform:
   - x64