diff --git a/ingredients/base-hypervisor-amdcpu.cfg b/ingredients/base-hypervisor-amdcpu.cfg
index d59f46c..133c7d0 100644
--- a/ingredients/base-hypervisor-amdcpu.cfg
+++ b/ingredients/base-hypervisor-amdcpu.cfg
@@ -9,7 +9,7 @@
 
 %post --nochroot --log=/mnt/sysimage/opt/base-hypervisor-amdcpu.log # Beginning of %post section. Those commands are executed outside the chroot environment. Logging is enabled to help with post-installation troubleshooting
 
-sed -i 's/\(quiet\)/\1 amd_iommu=on amd_iommu=pt rd.driver.pre=vfio-pci/i' /mnt/sysimage/etc/default/grub # Load kernel modules in GRUB. 
+sed -i 's/\(quiet\)/\1 amd_iommu=on iommu=pt rd.driver.pre=vfio-pci/i' /mnt/sysimage/etc/default/grub # Load kernel modules in GRUB. 
 
 echo "options kvm_amd nested=1" >> /mnt/sysimage/etc/modprobe.d/kvm.conf # Add support for nested-virtualization