diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 3a1ab34..339242d 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -197,6 +197,10 @@
     };
   };
 
+  services.journald.settings.Journal = {
+    SystemMaxUse = "500M";
+  };
+
   # Enable the OpenSSH daemon.
   # services.openssh.enable = true;