diff --git a/inventory/group_vars/all b/inventory/group_vars/all
index 2778d2e1d9..e81bdfd2bb 100644
--- a/inventory/group_vars/all
+++ b/inventory/group_vars/all
@@ -129,7 +129,7 @@ virt_install_command_aarch64_two_nic: virt-install -n {{ inventory_hostname }}
 
 virt_install_command_armv7_one_nic: virt-install -n {{ inventory_hostname }} --arch armv7l
                  --memory={{ mem_size }},maxmemory={{ max_mem_size }} --memballoon virtio
-                 --disk bus=virtio,path={{ volgroup }}/{{ inventory_hostname }},cache=unsafe
+                 --disk bus=virtio,path={{ volgroup }}/{{ inventory_hostname }},cache=unsafe,io=threads
                  --vcpus={{ num_cpus }},maxvcpus={{ max_cpu }} -l {{ ks_repo }} -x
                  'net.ifnames=0 ksdevice=eth0 ks={{ ks_url }} console=tty0 console=ttyAMA0
                   hostname={{ inventory_hostname }} nameserver={{ dns }}