diff --git a/common/configuration/puppet.yaml.tftpl b/common/configuration/puppet.yaml.tftpl
index b310b5df..2c63ccde 100644
--- a/common/configuration/puppet.yaml.tftpl
+++ b/common/configuration/puppet.yaml.tftpl
@@ -90,7 +90,7 @@ runcmd:
   - |
     if ! test -f /etc/magic-castle-release || ! dnf needs-restarting -r; then
       test -f /usr/lib/systemd/system/kdump.service && systemctl disable kdump
-      grubby --update-kernel=ALL --args="rd.driver.blacklist=nouveau nouveau.modeset=0 crashkernel=0M initcall_blacklist=algif_aead_init"
+      grubby --update-kernel=ALL --args="rd.driver.blacklist=nouveau modprobe.blacklist=nouveau nouveau.modeset=0 crashkernel=0M initcall_blacklist=algif_aead_init"
       grub2-mkconfig -o /boot/grub2/grub.cfg
     fi
 %{ endif ~}