diff --git a/org.jdrupes.vmoperator.runner.qemu/templates/Standard-VM-latest.ftl.yaml b/org.jdrupes.vmoperator.runner.qemu/templates/Standard-VM-latest.ftl.yaml
index 3d526ca..514f561 100644
--- a/org.jdrupes.vmoperator.runner.qemu/templates/Standard-VM-latest.ftl.yaml
+++ b/org.jdrupes.vmoperator.runner.qemu/templates/Standard-VM-latest.ftl.yaml
@@ -91,8 +91,9 @@
         <#if vm.threadsPerCore gt 0>,cores=${ vm.threadsPerCore }</#if>" ]
     </#if>
     <#if vm.accelerator != "none">
-    - [ "-accel", "${ vm.accelerator }"]
+    - [ "-accel", "${ vm.accelerator }" ]
     </#if>
+    - [ "-device", "intel-iommu,device-iotlb=on" ]
     # (More devices:) 
     # * RTC
     - [ "-rtc", "base=${ vm.rtcBase },clock=${ vm.rtcClock },driftfix=slew" ]