diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index e0855a2476..fc7fcfb0c6 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -28343,6 +28343,9 @@ virDomainHostdevDefFormat(virBufferPtr buf,
             if (mdevsrc->display != VIR_TRISTATE_SWITCH_ABSENT)
                 virBufferAsprintf(buf, " display='%s'",
                                   virTristateSwitchTypeToString(mdevsrc->display));
+            if (mdevsrc->ramfb != VIR_TRISTATE_SWITCH_ABSENT)
+                virBufferAsprintf(buf, " ramfb='%s'",
+                                  virTristateSwitchTypeToString(mdevsrc->ramfb));
         }
 
     }
diff --git a/tests/qemuxml2xmloutdata/hostdev-mdev-display-ramfb.x86_64-latest.xml b/tests/qemuxml2xmloutdata/hostdev-mdev-display-ramfb.x86_64-latest.xml
new file mode 100644
index 0000000000..c134400486
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/hostdev-mdev-display-ramfb.x86_64-latest.xml
@@ -0,0 +1,44 @@
+<domain type='qemu'>
+  <name>QEMUGuest2</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219136</memory>
+  <currentMemory unit='KiB'>219136</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <cpu mode='custom' match='exact' check='none'>
+    <model fallback='forbid'>qemu64</model>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-i386</emulator>
+    <controller type='usb' index='0' model='piix3-uhci'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <controller type='ide' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+    </controller>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='vnc' port='-1' autoport='yes'>
+      <listen type='address'/>
+    </graphics>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </video>
+    <hostdev mode='subsystem' type='mdev' managed='no' model='vfio-pci' display='on' ramfb='on'>
+      <source>
+        <address uuid='53764d0e-85a0-42b4-af5c-2046b460b1dc'/>
+      </source>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </hostdev>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index a52768e9ce..5a124853b4 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -529,6 +529,7 @@ mymain(void)
             QEMU_CAPS_VFIO_PCI_DISPLAY,
             QEMU_CAPS_DEVICE_VFIO_PCI,
             QEMU_CAPS_VNC);
+    DO_TEST_CAPS_LATEST("hostdev-mdev-display-ramfb");
     DO_TEST("pci-rom", NONE);
     DO_TEST("pci-rom-disabled", NONE);
     DO_TEST("pci-rom-disabled-invalid", NONE);