diff --git a/appveyor.yml b/appveyor.yml
index 6b7c7bd..c234416 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,7 +13,7 @@ environment:
       PYTHON_ARCH: "32"
 
     - PYTHON: "C:\\Python35-x64"
-      PYTHON_VERSION: "3.5.7
+      PYTHON_VERSION: "3.5.7"
       PYTHON_ARCH: "64"
 
     - PYTHON: "C:\\Python36"