diff --git a/hosts/Dimaga/default.nix b/hosts/Dimaga/default.nix
index 515f1c0..b2e4363 100644
--- a/hosts/Dimaga/default.nix
+++ b/hosts/Dimaga/default.nix
@@ -50,6 +50,9 @@ in
     hybrid-sleep.enable = false;
   };
 
+  # Enable support for building ARM64 packages
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+
   # Build Nix packages for other hosts.
   # Runs every Saturday at 4 AM
   systemd.services."build-hosts" = {
diff --git a/modules/common.nix b/modules/common.nix
index 661407c..de0e25f 100644
--- a/modules/common.nix
+++ b/modules/common.nix
@@ -23,8 +23,8 @@
         # Alternative garbage collection system to nix.gc.automatic
         clean = {
           enable = true;
-          dates = "daily";
-          extraArgs = "--keep-since 7d --keep 10"; # Keep the last 10 entries
+          dates = "weekly"; # Runs at 12:00 AM on Mondays
+          extraArgs = "--keep-since 14d --keep 10"; # By default, keep the last 10 entries (or two weeks) of generations
         };
       };
       # Do some additional Nano configuration