diff --git a/modules/monitoring.nix b/modules/monitoring.nix
index b03d838..51604ff 100644
--- a/modules/monitoring.nix
+++ b/modules/monitoring.nix
@@ -73,7 +73,7 @@ in {
     services.postgresql.ensureDatabases = [ "grafana" ];
     services.postgresql.ensureUsers = [{
       name = "grafana";
-      ensurePermissions."DATABASE grafana" = "ALL PRIVILEGES";
+      ensureDBOwnership = true;
     }];
 
     services.prometheus.exporters = {
diff --git a/nixos/zorigami/default.nix b/nixos/zorigami/default.nix
index 8e932fd..aedbdec 100644
--- a/nixos/zorigami/default.nix
+++ b/nixos/zorigami/default.nix
@@ -197,15 +197,15 @@
   services.postgresql.ensureUsers = [
     {
       name = "nextcloud";
-      ensurePermissions."DATABASE nextcloud" = "ALL PRIVILEGES";
+      ensureDBOwnership = true;
     }
     {
       name = "matrix-synapse";
-      ensurePermissions."DATABASE \"matrix-synapse\"" = "ALL PRIVILEGES";
+      ensureDBOwnership = true;
     }
     {
       name = "mastodon";
-      ensurePermissions."DATABASE mastodon" = "ALL PRIVILEGES";
+      ensureDBOwnership = true;
     }
   ];