diff --git a/buildroot-external/rootfs-overlay/etc/systemd/journald.conf b/buildroot-external/rootfs-overlay/etc/systemd/journald.conf
index 979f7e0fc..62f2e772a 100644
--- a/buildroot-external/rootfs-overlay/etc/systemd/journald.conf
+++ b/buildroot-external/rootfs-overlay/etc/systemd/journald.conf
@@ -1,3 +1,4 @@
 [Journal]
 Storage=auto
 Compress=yes
+SystemMaxUse=500M