diff --git a/.github/workflows/infra-build.yml b/.github/workflows/infra-build.yml
index 66d5629..26a4298 100644
--- a/.github/workflows/infra-build.yml
+++ b/.github/workflows/infra-build.yml
@@ -40,7 +40,7 @@ jobs:
         run: tofu init
 
       - name: Opentofu Format Check
-        run: tofu fmt -check -recursive
+        run: tofu fmt -check -recursive -exclude terraform.auto.tfvars
 
       - name: Opentofu Validate
         run: tofu validate