diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 0f94d6d6d..ef78f96dc 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -34,7 +34,7 @@ jobs:
         version:
           - '1'
         arch:
-          -x64
+          - x64
         include:
           - test_group: 'basic'
             version: '1.10'