diff --git a/howto/ganeti.md b/howto/ganeti.md
index 26664bedc7711ed3f61ad99222e1cee65d733279..463b8468ea464231748d75c273ec8593e1c807c0 100644
--- a/howto/ganeti.md
+++ b/howto/ganeti.md
@@ -2787,7 +2787,7 @@ Then the following extra configuration was performed:
     gnt-cluster modify --reserved-lvs vg_ganeti/root,vg_ganeti/swap
     gnt-cluster modify -H kvm:kernel_path=,initrd_path=
     gnt-cluster modify -H kvm:security_model=pool
-    gnt-cluster modify -H kvm:kvm_extra='-device virtio-rng-pci\,bus=pci.0\,addr=0x1e\,max-bytes=1024\,period=1000'
+    gnt-cluster modify -H kvm:kvm_extra='-device virtio-rng-pci\,bus=pci.0\,addr=0x1e\,max-bytes=1024\,period=1000 -global isa-fdc.fdtypeA=none'
     gnt-cluster modify -H kvm:disk_cache=none
     gnt-cluster modify -H kvm:disk_discard=unmap
     gnt-cluster modify -H kvm:scsi_controller_type=virtio-scsi-pci
@@ -2910,7 +2910,7 @@ Then the following extra configuration was performed:
 gnt-cluster modify --reserved-lvs vg_ganeti/root,vg_ganeti/swap
 gnt-cluster modify -H kvm:kernel_path=,initrd_path=
 gnt-cluster modify -H kvm:security_model=pool
-gnt-cluster modify -H kvm:kvm_extra='-device virtio-rng-pci\,bus=pci.0\,addr=0x1e\,max-bytes=1024\,period=1000'
+gnt-cluster modify -H kvm:kvm_extra='-device virtio-rng-pci\,bus=pci.0\,addr=0x1e\,max-bytes=1024\,period=1000 -global isa-fdc.fdtypeA=none'
 gnt-cluster modify -H kvm:disk_cache=none
 gnt-cluster modify -H kvm:disk_discard=unmap
 gnt-cluster modify -H kvm:scsi_controller_type=virtio-scsi-pci
@@ -3125,7 +3125,7 @@ Then the following extra configuration was performed:
 gnt-cluster modify --reserved-lvs vg_system/root,vg_system/swap
 gnt-cluster modify -H kvm:kernel_path=,initrd_path=
 gnt-cluster modify -H kvm:security_model=pool
-gnt-cluster modify -H kvm:kvm_extra='-device virtio-rng-pci\,bus=pci.0\,addr=0x1e\,max-bytes=1024\,period=1000'
+gnt-cluster modify -H kvm:kvm_extra='-device virtio-rng-pci\,bus=pci.0\,addr=0x1e\,max-bytes=1024\,period=1000 -global isa-fdc.fdtypeA=none'
 gnt-cluster modify -H kvm:disk_cache=none
 gnt-cluster modify -H kvm:disk_discard=unmap
 gnt-cluster modify -H kvm:scsi_controller_type=virtio-scsi-pci