diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index e3d1908a..8f43136d 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -36,4 +36,4 @@ jobs:
           name: application-stack
           template: cf.yml
           no-fail-on-empty-changeset: "1"
-          parameter-overrides: ["DBPassword=postgresdb", "EnvironmentType=dev"]
+          parameter-overrides: "DBPassword=postgresdb,EnvironmentType=dev"