diff --git a/systems/x86_64-linux/stargate/services/adguardhome.nix b/systems/x86_64-linux/stargate/services/adguardhome.nix
index 32f3185..9942c57 100644
--- a/systems/x86_64-linux/stargate/services/adguardhome.nix
+++ b/systems/x86_64-linux/stargate/services/adguardhome.nix
@@ -38,11 +38,11 @@ in {
 
 	cache_enabled = true;
 	cache_size = 1024 * 256;
-	cache_ttl_min = 60;
-	cache_ttl_max = 60 * 60 * 24 * 365;
+	cache_ttl_min = "60s";
+	cache_ttl_max = "365d";
 	cache_optimistic = true;
-	cache_optimistic_answer_ttl = 180;
-	cache_optimistic_max_age = 600;
+	cache_optimistic_answer_ttl = "180s";
+	cache_optimistic_max_age = "600s";
       };
 
       filtering = {