diff --git a/hw/audio/virtio-snd.c b/hw/audio/virtio-snd.c
index e6432ac959..e5196aa4bb 100644
--- a/hw/audio/virtio-snd.c
+++ b/hw/audio/virtio-snd.c
@@ -282,11 +282,13 @@ uint32_t virtio_snd_set_pcm_params(VirtIOSound *s,
         error_report("Number of channels is not supported.");
         return cpu_to_le32(VIRTIO_SND_S_NOT_SUPP);
     }
-    if (!(supported_formats & BIT(params->format))) {
+    if (BIT(params->format) > sizeof(supported_formats) ||
+        !(supported_formats & BIT(params->format))) {
         error_report("Stream format is not supported.");
         return cpu_to_le32(VIRTIO_SND_S_NOT_SUPP);
     }
-    if (!(supported_rates & BIT(params->rate))) {
+    if (BIT(params->rate) > sizeof(supported_rates) ||
+        !(supported_rates & BIT(params->rate))) {
         error_report("Stream rate is not supported.");
         return cpu_to_le32(VIRTIO_SND_S_NOT_SUPP);
     }