diff --git a/hosts/idols-aquamarine/journald.nix b/hosts/idols-aquamarine/journald.nix
new file mode 100644
index 00000000..2d2795f6
--- /dev/null
+++ b/hosts/idols-aquamarine/journald.nix
@@ -0,0 +1,8 @@
+{
+  # systemd-journal - reduce disk usage
+  # https://www.freedesktop.org/software/systemd/man/latest/journald.conf.html
+  services.journald.extraConfig = ''
+    SystemMaxUse=2G
+    RuntimeMaxUse=256M
+  '';
+}