diff --git a/nix/configuration/configuration.nix b/nix/configuration/configuration.nix
index a18d814..a95185c 100644
--- a/nix/configuration/configuration.nix
+++ b/nix/configuration/configuration.nix
@@ -140,7 +140,9 @@
   nix.gc = lib.mkIf (!config.me.buildingIso) {
     # Runs nix-collect-garbage --delete-older-than 5d
     automatic = true;
-    randomizedDelaySec = "14m";
+    persistent = true;
+    dates = "weekly";
+    # randomizedDelaySec = "14m";
     options = "--delete-older-than 30d";
   };
   nix.settings.auto-optimise-store = !config.me.buildingIso;