diff --git a/appveyor.yml b/appveyor.yml
index 7516eff..58b786f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,10 +8,10 @@ environment:
   matrix:
 # VS 2017
   - VS_VERSION: Visual Studio 15 2017
-  matrix:
+  matrix2:
   - THREAD_SAFE: "true"
   - THREAD_SAFE: "false"
-  matrix:
+  matrix3:
   - PHP_VERSION: 7.2.10
     PHP_BRANCH: 7.2