diff --git a/hosts/armaros/configuration.nix b/hosts/armaros/configuration.nix
index d94c954..c5da5f1 100644
--- a/hosts/armaros/configuration.nix
+++ b/hosts/armaros/configuration.nix
@@ -59,28 +59,28 @@
 
   # Snapper — automatic btrfs snapshots so you can roll back
   services.snapper = {
-    enable = true;
     # Snapshot / every hour, keep 10 hourly and 7 daily
-    rootConfig = ''
-      TIMELINE_CREATE="yes"
-      TIMELINE_CLEANUP="yes"
-      TIMELINE_MIN_AGE="1800"
-      TIMELINE_LIMIT_HOURLY="10"
-      TIMELINE_LIMIT_DAILY="7"
-      TIMELINE_LIMIT_MONTHLY="3"
-      TIMELINE_LIMIT_YEARLY="0"
-    '';
+    configs.root = {
+      SUBVOLUME = "/";
+      TIMELINE_CREATE = true;
+      TIMELINE_CLEANUP = true;
+      TIMELINE_MIN_AGE = "1800";
+      TIMELINE_LIMIT_HOURLY = "10";
+      TIMELINE_LIMIT_DAILY = "7";
+      TIMELINE_LIMIT_MONTHLY = "3";
+      TIMELINE_LIMIT_YEARLY = "0";
+    };
     # Snapshot /home every 4 hours
-    homeConfig = ''
-      SUBVOLUME="/home"
-      TIMELINE_CREATE="yes"
-      TIMELINE_CLEANUP="yes"
-      TIMELINE_MIN_AGE="14400"
-      TIMELINE_LIMIT_HOURLY="6"
-      TIMELINE_LIMIT_DAILY="14"
-      TIMELINE_LIMIT_MONTHLY="3"
-      TIMELINE_LIMIT_YEARLY="0"
-    '';
+    configs.home = {
+      SUBVOLUME = "/home";
+      TIMELINE_CREATE = true;
+      TIMELINE_CLEANUP = true;
+      TIMELINE_MIN_AGE = "14400";
+      TIMELINE_LIMIT_HOURLY = "6";
+      TIMELINE_LIMIT_DAILY = "14";
+      TIMELINE_LIMIT_MONTHLY = "3";
+      TIMELINE_LIMIT_YEARLY = "0";
+    };
   };
 
   # Set your time zone.
diff --git a/hosts/buildbox/configuration.nix b/hosts/buildbox/configuration.nix
index f8784cc..4b59293 100644
--- a/hosts/buildbox/configuration.nix
+++ b/hosts/buildbox/configuration.nix
@@ -43,28 +43,28 @@
 
   # Snapper — automatic btrfs snapshots so you can roll back
   services.snapper = {
-    enable = true;
     # Snapshot / every hour, keep 10 hourly and 7 daily
-    rootConfig = ''
-      TIMELINE_CREATE="yes"
-      TIMELINE_CLEANUP="yes"
-      TIMELINE_MIN_AGE="1800"
-      TIMELINE_LIMIT_HOURLY="10"
-      TIMELINE_LIMIT_DAILY="7"
-      TIMELINE_LIMIT_MONTHLY="3"
-      TIMELINE_LIMIT_YEARLY="0"
-    '';
+    configs.root = {
+      SUBVOLUME = "/";
+      TIMELINE_CREATE = true;
+      TIMELINE_CLEANUP = true;
+      TIMELINE_MIN_AGE = "1800";
+      TIMELINE_LIMIT_HOURLY = "10";
+      TIMELINE_LIMIT_DAILY = "7";
+      TIMELINE_LIMIT_MONTHLY = "3";
+      TIMELINE_LIMIT_YEARLY = "0";
+    };
     # Snapshot /home every 4 hours
-    homeConfig = ''
-      SUBVOLUME="/home"
-      TIMELINE_CREATE="yes"
-      TIMELINE_CLEANUP="yes"
-      TIMELINE_MIN_AGE="14400"
-      TIMELINE_LIMIT_HOURLY="6"
-      TIMELINE_LIMIT_DAILY="14"
-      TIMELINE_LIMIT_MONTHLY="3"
-      TIMELINE_LIMIT_YEARLY="0"
-    '';
+    configs.home = {
+      SUBVOLUME = "/home";
+      TIMELINE_CREATE = true;
+      TIMELINE_CLEANUP = true;
+      TIMELINE_MIN_AGE = "14400";
+      TIMELINE_LIMIT_HOURLY = "6";
+      TIMELINE_LIMIT_DAILY = "14";
+      TIMELINE_LIMIT_MONTHLY = "3";
+      TIMELINE_LIMIT_YEARLY = "0";
+    };
   };
 
   networking.hostName = "buildbox"; # Define your hostname.
diff --git a/hosts/ender-ml/configuration.nix b/hosts/ender-ml/configuration.nix
index dd26fb8..5acb324 100644
--- a/hosts/ender-ml/configuration.nix
+++ b/hosts/ender-ml/configuration.nix
@@ -47,28 +47,28 @@
 
   # Snapper — automatic btrfs snapshots so you can roll back
   services.snapper = {
-    enable = true;
     # Snapshot / every hour, keep 10 hourly and 7 daily
-    rootConfig = ''
-      TIMELINE_CREATE="yes"
-      TIMELINE_CLEANUP="yes"
-      TIMELINE_MIN_AGE="1800"
-      TIMELINE_LIMIT_HOURLY="10"
-      TIMELINE_LIMIT_DAILY="7"
-      TIMELINE_LIMIT_MONTHLY="3"
-      TIMELINE_LIMIT_YEARLY="0"
-    '';
+    configs.root = {
+      SUBVOLUME = "/";
+      TIMELINE_CREATE = true;
+      TIMELINE_CLEANUP = true;
+      TIMELINE_MIN_AGE = "1800";
+      TIMELINE_LIMIT_HOURLY = "10";
+      TIMELINE_LIMIT_DAILY = "7";
+      TIMELINE_LIMIT_MONTHLY = "3";
+      TIMELINE_LIMIT_YEARLY = "0";
+    };
     # Snapshot /home every 4 hours
-    homeConfig = ''
-      SUBVOLUME="/home"
-      TIMELINE_CREATE="yes"
-      TIMELINE_CLEANUP="yes"
-      TIMELINE_MIN_AGE="14400"
-      TIMELINE_LIMIT_HOURLY="6"
-      TIMELINE_LIMIT_DAILY="14"
-      TIMELINE_LIMIT_MONTHLY="3"
-      TIMELINE_LIMIT_YEARLY="0"
-    '';
+    configs.home = {
+      SUBVOLUME = "/home";
+      TIMELINE_CREATE = true;
+      TIMELINE_CLEANUP = true;
+      TIMELINE_MIN_AGE = "14400";
+      TIMELINE_LIMIT_HOURLY = "6";
+      TIMELINE_LIMIT_DAILY = "14";
+      TIMELINE_LIMIT_MONTHLY = "3";
+      TIMELINE_LIMIT_YEARLY = "0";
+    };
   };
 
   networking.hostName = "ender-ml"; # Define your hostname.
diff --git a/hosts/eva-01/configuration.nix b/hosts/eva-01/configuration.nix
index 0b9b5bd..5f39897 100644
--- a/hosts/eva-01/configuration.nix
+++ b/hosts/eva-01/configuration.nix
@@ -82,28 +82,28 @@
 
   # Snapper — automatic btrfs snapshots so you can roll back
   services.snapper = {
-    enable = true;
     # Snapshot / every hour, keep 10 hourly and 7 daily
-    rootConfig = ''
-      TIMELINE_CREATE="yes"
-      TIMELINE_CLEANUP="yes"
-      TIMELINE_MIN_AGE="1800"
-      TIMELINE_LIMIT_HOURLY="10"
-      TIMELINE_LIMIT_DAILY="7"
-      TIMELINE_LIMIT_MONTHLY="3"
-      TIMELINE_LIMIT_YEARLY="0"
-    '';
+    configs.root = {
+      SUBVOLUME = "/";
+      TIMELINE_CREATE = true;
+      TIMELINE_CLEANUP = true;
+      TIMELINE_MIN_AGE = "1800";
+      TIMELINE_LIMIT_HOURLY = "10";
+      TIMELINE_LIMIT_DAILY = "7";
+      TIMELINE_LIMIT_MONTHLY = "3";
+      TIMELINE_LIMIT_YEARLY = "0";
+    };
     # Snapshot /home every 4 hours
-    homeConfig = ''
-      SUBVOLUME="/home"
-      TIMELINE_CREATE="yes"
-      TIMELINE_CLEANUP="yes"
-      TIMELINE_MIN_AGE="14400"
-      TIMELINE_LIMIT_HOURLY="6"
-      TIMELINE_LIMIT_DAILY="14"
-      TIMELINE_LIMIT_MONTHLY="3"
-      TIMELINE_LIMIT_YEARLY="0"
-    '';
+    configs.home = {
+      SUBVOLUME = "/home";
+      TIMELINE_CREATE = true;
+      TIMELINE_CLEANUP = true;
+      TIMELINE_MIN_AGE = "14400";
+      TIMELINE_LIMIT_HOURLY = "6";
+      TIMELINE_LIMIT_DAILY = "14";
+      TIMELINE_LIMIT_MONTHLY = "3";
+      TIMELINE_LIMIT_YEARLY = "0";
+    };
   };
 
   boot.kernel.sysctl = {