diff --git a/modules/system/actualbudget/backups.nix b/modules/system/actualbudget/backups.nix
index 5e33188..10519db 100644
--- a/modules/system/actualbudget/backups.nix
+++ b/modules/system/actualbudget/backups.nix
@@ -15,7 +15,7 @@
       extraConfig = {
         backupPrepareCommand = "${lib.getExe' pkgs.systemd "systemctl"} stop actual.service";
         backupCleanupCommand = "${lib.getExe' pkgs.systemd "systemctl"} start actual.service";
-        paths = [ "/var/lib/actual" ];
+        paths = [ config.services.actual.settings.dataDir ];
       };
     };
 
diff --git a/modules/system/hedgedoc/backups.nix b/modules/system/hedgedoc/backups.nix
index c2b741f..132d117 100644
--- a/modules/system/hedgedoc/backups.nix
+++ b/modules/system/hedgedoc/backups.nix
@@ -14,7 +14,10 @@
       extraConfig = {
         backupPrepareCommand = "${lib.getExe' pkgs.systemd "systemctl"} stop hedgedoc.service";
         backupCleanupCommand = "${lib.getExe' pkgs.systemd "systemctl"} start hedgedoc.service";
-        paths = [ "/var/lib/hedgedoc" ];
+        paths = with config.services.hedgedoc.settings; [
+          uploadsPath
+          db.storage
+        ];
       };
     };
 
diff --git a/modules/system/nextcloud/backups.nix b/modules/system/nextcloud/backups.nix
index ec55d5f..cc55628 100644
--- a/modules/system/nextcloud/backups.nix
+++ b/modules/system/nextcloud/backups.nix
@@ -7,6 +7,8 @@
 let
   cfg = config.myConfig.nextcloud;
 
+  dataDir = config.services.nextcloud.home;
+
   user = config.users.users.nextcloud.name;
   inherit (config.users.users.nextcloud) group;
 in
@@ -14,7 +16,7 @@ in
   options.myConfig.nextcloud.backups.enable = lib.mkEnableOption "";
 
   config = lib.mkIf cfg.backups.enable {
-    systemd.tmpfiles.rules = [ "d ${cfg.dataDir}/backup 700 ${user} ${group} -" ];
+    systemd.tmpfiles.rules = [ "d ${dataDir}/backup 700 ${user} ${group} -" ];
 
     myConfig.resticBackup.nextcloud = {
       inherit user;
@@ -23,13 +25,13 @@ in
       extraConfig = {
         backupPrepareCommand = ''
           ${lib.getExe' config.services.nextcloud.occ "nextcloud-occ"} maintenance:mode --on
-          ${lib.getExe' config.services.postgresql.package "pg_dump"} nextcloud --format=custom --file=${cfg.dataDir}/backup/db.dump
+          ${lib.getExe' config.services.postgresql.package "pg_dump"} nextcloud --format=custom --file=${dataDir}/backup/db.dump
         '';
         backupCleanupCommand = "${lib.getExe' config.services.nextcloud.occ "nextcloud-occ"} maintenance:mode --off";
         paths = [
-          "${cfg.dataDir}/data"
-          "${cfg.dataDir}/config/config.php"
-          "${cfg.dataDir}/backup"
+          "${dataDir}/data"
+          "${dataDir}/config/config.php"
+          "${dataDir}/backup"
         ];
       };
     };
@@ -41,7 +43,7 @@ in
           sudo --user=${user} bash -c "
             ${lib.getExe' config.services.nextcloud.occ "nextcloud-occ"} maintenance:mode --on
             restic-nextcloud restore latest --target /
-            pg_restore --clean --if-exists --dbname nextcloud ${cfg.dataDir}/backup/db.dump
+            pg_restore --clean --if-exists --dbname nextcloud ${dataDir}/backup/db.dump
             ${lib.getExe' config.services.nextcloud.occ "nextcloud-occ"} maintenance:mode --off
           "
         '';
diff --git a/modules/system/nextcloud/default.nix b/modules/system/nextcloud/default.nix
index 4d5cb30..f7712a8 100644
--- a/modules/system/nextcloud/default.nix
+++ b/modules/system/nextcloud/default.nix
@@ -18,11 +18,6 @@ in
       type = lib.types.nonEmptyStr;
       default = "";
     };
-    dataDir = lib.mkOption {
-      type = lib.types.path;
-      default = config.services.nextcloud.home;
-      readOnly = true;
-    };
     port = lib.mkOption {
       type = lib.types.port;
       default = 80;
diff --git a/modules/system/syncthing/backups.nix b/modules/system/syncthing/backups.nix
index b5a2c80..1e45c24 100644
--- a/modules/system/syncthing/backups.nix
+++ b/modules/system/syncthing/backups.nix
@@ -24,7 +24,7 @@ in
       extraConfig = {
         backupPrepareCommand = "${lib.getExe' pkgs.systemd "systemctl"} stop syncthing.service";
         backupCleanupCommand = "${lib.getExe' pkgs.systemd "systemctl"} start syncthing.service";
-        paths = [ "/var/lib/syncthing" ];
+        paths = [ config.services.syncthing.dataDir ];
       };
     };