diff --git a/deploy-preview/action.yml b/deploy-preview/action.yml
index ea2fa6451..7d52f5b1f 100644
--- a/deploy-preview/action.yml
+++ b/deploy-preview/action.yml
@@ -47,7 +47,7 @@ runs:
       with:
         token_format: access_token
         workload_identity_provider: "projects/304398677251/locations/global/workloadIdentityPools/github/providers/github-provider"
-        service_account: "github-writers_toolkit-cloud-run-dev@grafanalabs-workload-identity.iam.gserviceaccount.com"
+        service_account: "github-writers-toolkit-cloud-run-dev@grafanalabs-workload-identity.iam.gserviceaccount.com"
         create_credentials_file: false
 
     - name: clean