diff --git a/RebuildBdd/Checkup/check-postgresql.sh b/RebuildBdd/Checkup/check-postgresql.sh
index 33ae3e6..e28de4b 100755
--- a/RebuildBdd/Checkup/check-postgresql.sh
+++ b/RebuildBdd/Checkup/check-postgresql.sh
@@ -45,6 +45,13 @@ require_cmd() {
   command -v "$1" >/dev/null 2>&1
 }
 
+postgres_server_ready() {
+  require_cmd postgres || return 1
+  require_cmd pg_ctlcluster || return 1
+  require_cmd pg_lsclusters || return 1
+  return 0
+}
+
 ensure_postgres_cluster() {
   if ! require_cmd pg_lsclusters || ! require_cmd pg_createcluster; then
     return 0
@@ -147,7 +154,7 @@ fi
 
 POSTGRES_INSTALLED="no"
 
-if ! require_cmd psql || ! require_cmd pg_restore || ! require_cmd createdb || ! require_cmd dropdb; then
+if ! require_cmd psql || ! require_cmd pg_restore || ! require_cmd createdb || ! require_cmd dropdb || ! postgres_server_ready; then
   [[ "${AUTO_INSTALL_POSTGRES,,}" == "yes" ]] || fail "PostgreSQL absent et AUTO_INSTALL_POSTGRES=no"
 
   log "PostgreSQL absent : installation en cours..."