diff --git a/data/deployments/staging/common.yaml b/data/deployments/staging/common.yaml
--- a/data/deployments/staging/common.yaml
+++ b/data/deployments/staging/common.yaml
@@ -106,7 +106,7 @@
 swh::postgresql::version: '12'
 swh::postgresql::port: 5433
 swh::postgresql::cluster_name: "%{lookup('swh::postgresql::version')}/main"
-swh::postgresql::datadir: "%{lookup('swh::base_directory')}/postgresql/%{lookup('swh::postgresql::cluster_name')}"
+swh::postgresql::datadir: "%{lookup('swh::base_directory')}/postgres/%{lookup('swh::postgresql::cluster_name')}"
 swh::postgresql::listen_addresses:
   - 0.0.0.0
 swh::postgresql::network_accesses: