diff --git a/flake.nix b/flake.nix
index 0581967..7cd81bb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -95,7 +95,6 @@
                         "azure"
                         "b2"
                       ];
-                      # default = "b2";
                     };
                     healthcheck = lib.options.mkOption {
                       type = lib.types.submodule {
@@ -161,14 +160,14 @@
                               type = lib.types.listOf lib.types.str;
                             };
                             preCommand = lib.options.mkOption {
-                            type = lib.types.lines;
-                            default = "";
+                              type = lib.types.lines;
+                              default = "";
+                            };
+                            postCommand = lib.options.mkOption {
+                              type = lib.types.lines;
+                              default = "";
+                            };
                           };
-                          postCommand = lib.options.mkOption {
-                            type = lib.types.lines;
-                            default = "";
-                          };
-                        };
                         }
                       );
                     };
@@ -323,12 +322,12 @@
                             paths = lib.strings.concatStringsSep " " backup.paths;
                           in
                           ''
-                          ${backup.preCommand}
+                            ${backup.preCommand}
 
-                          ${package}/bin/restic backup${one-file-system}${excludes} ${paths}
+                            ${package}/bin/restic backup${one-file-system}${excludes} ${paths}
 
-                          ${backup.postCommand}
-                        ''
+                            ${backup.postCommand}
+                          ''
                         )
                         cfg.backups
                     );