diff --git a/tests/cli-test-xml/compare/virt-install-ppc64-machdefault-f20.xml b/tests/cli-test-xml/compare/virt-install-ppc64-machdefault-f20.xml
index 43a119ab1..4c5e858c3 100644
--- a/tests/cli-test-xml/compare/virt-install-ppc64-machdefault-f20.xml
+++ b/tests/cli-test-xml/compare/virt-install-ppc64-machdefault-f20.xml
@@ -17,7 +17,7 @@
     <disk type="file" device="disk">
       <driver name="qemu" type="qcow2"/>
       <source file="/dev/default-pool/testvol1.img"/>
-      <target dev="sda" bus="scsi"/>
+      <target dev="vda" bus="virtio"/>
     </disk>
     <graphics type="spice" port="-1" tlsPort="-1" autoport="yes">
       <image compression="off"/>
diff --git a/tests/cli-test-xml/compare/virt-install-ppc64-pseries-f20.xml b/tests/cli-test-xml/compare/virt-install-ppc64-pseries-f20.xml
index 43a119ab1..4c5e858c3 100644
--- a/tests/cli-test-xml/compare/virt-install-ppc64-pseries-f20.xml
+++ b/tests/cli-test-xml/compare/virt-install-ppc64-pseries-f20.xml
@@ -17,7 +17,7 @@
     <disk type="file" device="disk">
       <driver name="qemu" type="qcow2"/>
       <source file="/dev/default-pool/testvol1.img"/>
-      <target dev="sda" bus="scsi"/>
+      <target dev="vda" bus="virtio"/>
     </disk>
     <graphics type="spice" port="-1" tlsPort="-1" autoport="yes">
       <image compression="off"/>
diff --git a/tests/cli-test-xml/compare/virt-install-ppc64le-kvm-import.xml b/tests/cli-test-xml/compare/virt-install-ppc64le-kvm-import.xml
index 64799d2e6..f7e3b6781 100644
--- a/tests/cli-test-xml/compare/virt-install-ppc64le-kvm-import.xml
+++ b/tests/cli-test-xml/compare/virt-install-ppc64le-kvm-import.xml
@@ -17,7 +17,7 @@
     <disk type="file" device="disk">
       <driver name="qemu" type="qcow2"/>
       <source file="/dev/default-pool/testvol1.img"/>
-      <target dev="sda" bus="scsi"/>
+      <target dev="vda" bus="virtio"/>
     </disk>
     <interface type="bridge">
       <source bridge="eth0"/>
diff --git a/virtinst/guest.py b/virtinst/guest.py
index da0741091..ab6dcba71 100644
--- a/virtinst/guest.py
+++ b/virtinst/guest.py
@@ -1036,7 +1036,7 @@ class Guest(XMLBuilder):
                     self._os_object.supports_virtiodisk()))):
                 d.bus = "virtio"
             elif self.os.is_pseries():
-                d.bus = "scsi"
+                d.bus = "virtio"
             elif self.os.is_arm():
                 d.bus = "sd"
             elif self.os.is_q35():