diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index a8d464837998fd35398374f574ec84e8e85c7a49..c1a89478d60f989372299ac01a7ca468fce02b13 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -260,6 +260,8 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "msg-timestamp",
               "active-commit",
               "change-backing-file",
+
+              "memory-backend-ram", /* 170 */
     );
 
 
@@ -1477,6 +1479,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
     { "ich9-intel-hda", QEMU_CAPS_DEVICE_ICH9_INTEL_HDA },
     { "pvpanic", QEMU_CAPS_DEVICE_PANIC },
     { "usb-kbd", QEMU_CAPS_DEVICE_USB_KBD },
+    { "memory-backend-ram", QEMU_CAPS_OBJECT_MEMORY_RAM },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsVirtioBlk[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 99cf9ed0194c2ed6feb8a3b17d0fbe3d002c9d8f..c661d5a05e29d190b715028632657710bc6b5eda 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -209,6 +209,7 @@ typedef enum {
     QEMU_CAPS_MSG_TIMESTAMP      = 167, /* -msg timestamp */
     QEMU_CAPS_ACTIVE_COMMIT      = 168, /* block-commit works without 'top' */
     QEMU_CAPS_CHANGE_BACKING_FILE = 169, /* change name of backing file in metadata */
+    QEMU_CAPS_OBJECT_MEMORY_RAM  = 170, /* -object memory-backend-ram */
 
     QEMU_CAPS_LAST,                   /* this must always be the last item */
 } virQEMUCapsFlags;