diff --git a/nixos/tests/prometheus-exporters.nix b/nixos/tests/prometheus-exporters.nix
index 576253450814..56569c4de2c8 100644
--- a/nixos/tests/prometheus-exporters.nix
+++ b/nixos/tests/prometheus-exporters.nix
@@ -907,7 +907,7 @@ let
               attrs = {
                 objectClass = [ "olcDatabaseConfig" "olcMdbConfig" ];
                 olcDatabase = "{1}mdb";
-                olcDbDirectory = "/var/db/openldap";
+                olcDbDirectory = "/var/lib/openldap/db";
                 olcSuffix = "dc=example";
                 olcRootDN = {
                   # cn=root,dc=example