diff --git a/buildroot-external/rootfs-overlay/etc/systemd/system/dropbear.service.d/hassos.conf b/buildroot-external/rootfs-overlay/etc/systemd/system/dropbear.service.d/hassos.conf
index 98399d164..4967b8871 100644
--- a/buildroot-external/rootfs-overlay/etc/systemd/system/dropbear.service.d/hassos.conf
+++ b/buildroot-external/rootfs-overlay/etc/systemd/system/dropbear.service.d/hassos.conf
@@ -1,5 +1,6 @@
 [Unit]
 RequiresMountsFor=/etc/dropbear
+ConditionFileNotEmpty=/root/.ssh/known_hosts
 
 [Service]
 ExecStartPre=