diff --git a/appveyor.yml b/appveyor.yml
index c14168d8..983ba028 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,7 +2,7 @@ version: 1.0.{build}
 branches:
   only:
   - master
-  - /^v\\d+(?:.\\d+)?$/
+  - /^v\d+(?:.\d+)?$/
   - /[\b_]validate\b/
 skip_tags: true
 nuget: