diff --git a/tests/qemuxml2argvdata/disk-cache.x86_64-1.5.3.args b/tests/qemuxml2argvdata/disk-cache.x86_64-1.5.3.args
index b598bacb94..25360071e3 100644
--- a/tests/qemuxml2argvdata/disk-cache.x86_64-1.5.3.args
+++ b/tests/qemuxml2argvdata/disk-cache.x86_64-1.5.3.args
@@ -7,10 +7,10 @@ XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
 XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
 XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
 QEMU_AUDIO_DRV=none \
-/usr/bin/qemu-system-i386 \
+/usr/bin/qemu-system-x86_64 \
 -name QEMUGuest1 \
 -S \
--machine pc-i440fx-2.6,accel=tcg,usb=off,dump-guest-core=off \
+-machine pc-i440fx-1.5,accel=tcg,usb=off,dump-guest-core=off \
 -m 214 \
 -realtime mlock=off \
 -smp 1,sockets=1,cores=1,threads=1 \
diff --git a/tests/qemuxml2argvdata/disk-cache.x86_64-2.12.0.args b/tests/qemuxml2argvdata/disk-cache.x86_64-2.12.0.args
index 7279921ae6..aa7a230583 100644
--- a/tests/qemuxml2argvdata/disk-cache.x86_64-2.12.0.args
+++ b/tests/qemuxml2argvdata/disk-cache.x86_64-2.12.0.args
@@ -7,12 +7,12 @@ XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
 XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
 XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
 QEMU_AUDIO_DRV=none \
-/usr/bin/qemu-system-i386 \
+/usr/bin/qemu-system-x86_64 \
 -name guest=QEMUGuest1,debug-threads=on \
 -S \
 -object secret,id=masterKey0,format=raw,\
 file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
--machine pc-i440fx-2.6,accel=tcg,usb=off,dump-guest-core=off \
+-machine pc-i440fx-1.5,accel=tcg,usb=off,dump-guest-core=off \
 -m 214 \
 -realtime mlock=off \
 -smp 1,sockets=1,cores=1,threads=1 \
diff --git a/tests/qemuxml2argvdata/disk-cache.x86_64-2.6.0.args b/tests/qemuxml2argvdata/disk-cache.x86_64-2.6.0.args
index 82e45effba..64fd4308e4 100644
--- a/tests/qemuxml2argvdata/disk-cache.x86_64-2.6.0.args
+++ b/tests/qemuxml2argvdata/disk-cache.x86_64-2.6.0.args
@@ -7,12 +7,12 @@ XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
 XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
 XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
 QEMU_AUDIO_DRV=none \
-/usr/bin/qemu-system-i386 \
+/usr/bin/qemu-system-x86_64 \
 -name guest=QEMUGuest1,debug-threads=on \
 -S \
 -object secret,id=masterKey0,format=raw,\
 file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
--machine pc-i440fx-2.6,accel=tcg,usb=off,dump-guest-core=off \
+-machine pc-i440fx-1.5,accel=tcg,usb=off,dump-guest-core=off \
 -m 214 \
 -realtime mlock=off \
 -smp 1,sockets=1,cores=1,threads=1 \
diff --git a/tests/qemuxml2argvdata/disk-cache.x86_64-2.7.0.args b/tests/qemuxml2argvdata/disk-cache.x86_64-2.7.0.args
index 8d0904260a..a6a448999b 100644
--- a/tests/qemuxml2argvdata/disk-cache.x86_64-2.7.0.args
+++ b/tests/qemuxml2argvdata/disk-cache.x86_64-2.7.0.args
@@ -7,12 +7,12 @@ XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
 XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
 XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
 QEMU_AUDIO_DRV=none \
-/usr/bin/qemu-system-i386 \
+/usr/bin/qemu-system-x86_64 \
 -name guest=QEMUGuest1,debug-threads=on \
 -S \
 -object secret,id=masterKey0,format=raw,\
 file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
--machine pc-i440fx-2.6,accel=tcg,usb=off,dump-guest-core=off \
+-machine pc-i440fx-1.5,accel=tcg,usb=off,dump-guest-core=off \
 -m 214 \
 -realtime mlock=off \
 -smp 1,sockets=1,cores=1,threads=1 \
diff --git a/tests/qemuxml2argvdata/disk-cache.x86_64-latest.args b/tests/qemuxml2argvdata/disk-cache.x86_64-latest.args
index 3dca80dacd..4b70cb634c 100644
--- a/tests/qemuxml2argvdata/disk-cache.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-cache.x86_64-latest.args
@@ -7,12 +7,12 @@ XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
 XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
 XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
 QEMU_AUDIO_DRV=none \
-/usr/bin/qemu-system-i386 \
+/usr/bin/qemu-system-x86_64 \
 -name guest=QEMUGuest1,debug-threads=on \
 -S \
 -object secret,id=masterKey0,format=raw,\
 file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
--machine pc-i440fx-2.6,accel=tcg,usb=off,dump-guest-core=off \
+-machine pc-i440fx-1.5,accel=tcg,usb=off,dump-guest-core=off \
 -cpu qemu64 \
 -m 214 \
 -overcommit mem-lock=off \
diff --git a/tests/qemuxml2argvdata/disk-cache.xml b/tests/qemuxml2argvdata/disk-cache.xml
index 5104c8469f..5cbbd2f3bc 100644
--- a/tests/qemuxml2argvdata/disk-cache.xml
+++ b/tests/qemuxml2argvdata/disk-cache.xml
@@ -5,7 +5,7 @@
   <currentMemory unit='KiB'>219136</currentMemory>
   <vcpu placement='static'>1</vcpu>
   <os>
-    <type arch='i686' machine='pc-i440fx-2.6'>hvm</type>
+    <type arch='x86_64' machine='pc-i440fx-1.5'>hvm</type>
     <boot dev='hd'/>
   </os>
   <clock offset='utc'/>
@@ -13,7 +13,7 @@
   <on_reboot>restart</on_reboot>
   <on_crash>destroy</on_crash>
   <devices>
-    <emulator>/usr/bin/qemu-system-i386</emulator>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
     <disk type='block' device='disk'>
       <driver name='qemu' type='qcow2' cache='writeback'/>
       <source dev='/dev/HostVG/QEMUGuest1'/>
diff --git a/tests/qemuxml2xmloutdata/disk-cache.xml b/tests/qemuxml2xmloutdata/disk-cache.xml
index b81c9c2368..a622db347e 100644
--- a/tests/qemuxml2xmloutdata/disk-cache.xml
+++ b/tests/qemuxml2xmloutdata/disk-cache.xml
@@ -5,7 +5,7 @@
   <currentMemory unit='KiB'>219136</currentMemory>
   <vcpu placement='static'>1</vcpu>
   <os>
-    <type arch='i686' machine='pc-i440fx-2.6'>hvm</type>
+    <type arch='x86_64' machine='pc-i440fx-1.5'>hvm</type>
     <boot dev='hd'/>
   </os>
   <clock offset='utc'/>
@@ -13,7 +13,7 @@
   <on_reboot>restart</on_reboot>
   <on_crash>destroy</on_crash>
   <devices>
-    <emulator>/usr/bin/qemu-system-i386</emulator>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
     <disk type='block' device='disk'>
       <driver name='qemu' type='qcow2' cache='writeback'/>
       <source dev='/dev/HostVG/QEMUGuest1'/>