diff --git a/qemu/qemu.go b/qemu/qemu.go
index c4aada81e..7d60bb7e1 100644
--- a/qemu/qemu.go
+++ b/qemu/qemu.go
@@ -1435,6 +1435,9 @@ func (vhostuserDev VhostUserDevice) QemuFSParams(config *Config) []string {
 		deviceParams = append(deviceParams, "versiontable=/dev/shm/fuse_shared_versions")
 	}
 	if vhostuserDev.Transport.isVirtioCCW(config) {
+		if config.Knobs.IOMMUPlatform {
+			deviceParams = append(deviceParams, "iommu_platform=on")
+		}
 		deviceParams = append(deviceParams, fmt.Sprintf("devno=%s", vhostuserDev.DevNo))
 	}
 	if vhostuserDev.Transport.isVirtioPCI(config) && vhostuserDev.ROMFile != "" {