diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 96454c17c03d45920d84b115eb881e963f0dfd52..9e715e7a00d484fb7863d0aced71c841607a9434 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -7919,7 +7919,7 @@ qemuDomainUpdateDeviceLive(virDomainObjPtr vm,
         break;
 
     case VIR_DOMAIN_DEVICE_GRAPHICS:
-        if ((idx = qemuDomainFindGraphicsIndex(vm->def, dev->data.graphics) >= 0)) {
+        if ((idx = qemuDomainFindGraphicsIndex(vm->def, dev->data.graphics)) >= 0) {
             oldDev.data.graphics = vm->def->graphics[idx];
             if (virDomainDefCompatibleDevice(vm->def, dev, &oldDev) < 0)
                 return -1;