diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index bc10d5ddc0..f3b0f1419e 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -879,7 +879,7 @@ static int virtio_gpu_ui_info(void *opaque, uint32_t idx, QemuUIInfo *info)
 {
     VirtIOGPU *g = opaque;
 
-    if (idx > g->conf.max_outputs) {
+    if (idx >= g->conf.max_outputs) {
         return -1;
     }