diff --git a/roles/matrix-client-hydrogen/defaults/main.yml b/roles/matrix-client-hydrogen/defaults/main.yml
index f7f2f92c0..6d7fb5cf5 100644
--- a/roles/matrix-client-hydrogen/defaults/main.yml
+++ b/roles/matrix-client-hydrogen/defaults/main.yml
@@ -31,11 +31,10 @@ matrix_client_hydrogen_systemd_required_services_list: ['docker.service']
 matrix_client_hydrogen_self_check_validate_certificates: true
 
 # config.json
-matrix_client_hydrogen_push: {
-  "appId": "io.element.hydrogen.web",
-  "gatewayUrl": "https://matrix.org",
-  "applicationServerKey": "BC-gpSdVHEXhvHSHS0AzzWrQoukv2BE7KzpoPO_FfPacqOo3l1pdqz7rSgmB04pZCWaHPz7XRe6fjLaC-WPDopM"
-}
+matrix_client_hydrogen_push:
+  appId: io.element.hydrogen.web
+  gatewayUrl: https://matrix.org
+  applicationServerKey: "BC-gpSdVHEXhvHSHS0AzzWrQoukv2BE7KzpoPO_FfPacqOo3l1pdqz7rSgmB04pZCWaHPz7XRe6fjLaC-WPDopM"
 matrix_client_hydrogen_default_hs_url: ""
 matrix_client_hydrogen_bugReportEndpointUrl: "https://element.io/bugreports/submit"  # noqa var-naming