diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 2acf535..2ddeb8c 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -225,6 +225,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "pci-bridge", /* 141 */
               "vfio-pci", /* 142 */
               "vfio-pci.bootindex", /* 143 */
+              "vnc-websocket", /* 143 */