diff --git a/Rocky8_Rpi4.ks b/Rocky8_Rpi4.ks
index 2f8e2ee..9561c25 100644
--- a/Rocky8_Rpi4.ks
+++ b/Rocky8_Rpi4.ks
@@ -60,6 +60,11 @@ aarch64-img-extra-config
 # Post install scripts:
 %post
 
+# Ensure no ssh keys are present
+# (User's machine should generate them on first boot)
+rm -f /etc/ssh/*_key*
+
+# Write initial boot line to cmdline.txt (we will update the root partuuid further down)
 cat > /boot/cmdline.txt << EOF
 console=ttyAMA0,115200 console=tty1 root= rootfstype=ext4 elevator=deadline rootwait
 EOF