diff --git a/hosts/hyacinth/filesystem.nix b/hosts/hyacinth/filesystem.nix
index b57e9b1..c85d7be 100644
--- a/hosts/hyacinth/filesystem.nix
+++ b/hosts/hyacinth/filesystem.nix
@@ -38,8 +38,8 @@ in
   services.snapper.configs.cream = {
       FSTYPE = "btrfs";
       SUBVOLUME = "/mnt/cream/permanence";
-      TIMELINE_CLEANUP = "yes";
-      TIMELINE_CREATE = "yes";
+      TIMELINE_CLEANUP = true;
+      TIMELINE_CREATE = true;
       TIMELINE_MIN_AGE = "1800";
       TIMELINE_LIMIT_HOURLY = "5";
       TIMELINE_LIMIT_DAILY = "7";
diff --git a/modules/system/snapper.nix b/modules/system/snapper.nix
index 56f1de6..60cf41e 100644
--- a/modules/system/snapper.nix
+++ b/modules/system/snapper.nix
@@ -4,8 +4,8 @@
     configs.home = {
       FSTYPE = "btrfs";
       SUBVOLUME = "/home";
-      TIMELINE_CLEANUP = "yes";
-      TIMELINE_CREATE = "yes";
+      TIMELINE_CLEANUP = true;
+      TIMELINE_CREATE = true;
       TIMELINE_MIN_AGE = "1800";
       TIMELINE_LIMIT_HOURLY = "5";
       TIMELINE_LIMIT_DAILY = "7";