diff --git a/modules/homelab/services/smarthome/homeassistant/default.nix b/modules/homelab/services/smarthome/homeassistant/default.nix
index 6bc138d..7a0cea3 100644
--- a/modules/homelab/services/smarthome/homeassistant/default.nix
+++ b/modules/homelab/services/smarthome/homeassistant/default.nix
@@ -138,8 +138,8 @@ in
     };
 
     # add to backups
-    modules.system.backups.baks = {} // {
-      "${service}" = { paths = [ cfg.data_dir ]; };
+    modules.system.backups.baks = {
+      ${service} = { paths = [ cfg.data_dir ]; };
     };
   };
 }
diff --git a/modules/homelab/services/smarthome/mosquitto/default.nix b/modules/homelab/services/smarthome/mosquitto/default.nix
index 9dc7d68..8318f47 100644
--- a/modules/homelab/services/smarthome/mosquitto/default.nix
+++ b/modules/homelab/services/smarthome/mosquitto/default.nix
@@ -97,8 +97,8 @@ in
     };
 
     # add to backups
-    modules.system.backups.baks = {} // {
-      "${service}" = { paths = [ cfg.data_dir ]; };
+    modules.system.backups.baks = {
+      ${service} = { paths = [ cfg.data_dir ]; };
     };
   };
 }
diff --git a/modules/homelab/services/smarthome/zigbee2mqtt/default.nix b/modules/homelab/services/smarthome/zigbee2mqtt/default.nix
index e7f1f74..6c24146 100644
--- a/modules/homelab/services/smarthome/zigbee2mqtt/default.nix
+++ b/modules/homelab/services/smarthome/zigbee2mqtt/default.nix
@@ -112,8 +112,8 @@ in
     };
 
     # add to backups
-    modules.system.backups.baks = {} // {
-      "${service}" = { paths = [ cfg.data_dir ]; };
+    modules.system.backups.baks = {
+      ${service} = { paths = [ cfg.data_dir ]; };
     };
   };
 }
diff --git a/modules/homelab/services/vaultwarden/default.nix b/modules/homelab/services/vaultwarden/default.nix
index 684de30..4a1e3a6 100644
--- a/modules/homelab/services/vaultwarden/default.nix
+++ b/modules/homelab/services/vaultwarden/default.nix
@@ -111,8 +111,8 @@ in
     };
 
      # add to backups
-    modules.system.backups.baks = {} // {
-      "${service}" = { paths = [ cfg.data_dir ]; };
+    modules.system.backups.baks = {
+      ${service} = { paths = [ cfg.data_dir ]; };
     };
   };
 }