diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index ace5011cf1..0e09d6d285 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -155,6 +155,7 @@ VIR_ENUM_IMPL(qemuCaps, QEMU_CAPS_LAST,
               "system_wakeup",
               "scsi-disk.channel",
               "scsi-block",
+              "transaction",
     );
 
 struct qemu_feature_flags {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 62b4270c1e..78cdbe0884 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -123,6 +123,7 @@ enum qemuCapsFlags {
     QEMU_CAPS_WAKEUP             = 86, /* system_wakeup monitor command */
     QEMU_CAPS_SCSI_DISK_CHANNEL  = 87, /* Is scsi-disk.channel available? */
     QEMU_CAPS_SCSI_BLOCK         = 88, /* -device scsi-block */
+    QEMU_CAPS_TRANSACTION        = 89, /* transaction monitor command */
 
     QEMU_CAPS_LAST,                   /* this must always be the last item */
 };
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 0fe02da2c3..741872dbcc 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -929,6 +929,9 @@ qemuMonitorJSONCheckCommands(qemuMonitorPtr mon,
 
         if (STREQ(name, "system_wakeup"))
             qemuCapsSet(qemuCaps, QEMU_CAPS_WAKEUP);
+
+        if (STREQ(name, "transaction"))
+            qemuCapsSet(qemuCaps, QEMU_CAPS_TRANSACTION);
     }
 
     ret = 0;