diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 012ab7fae8e9a385fa46cd69e55d2af799e6c983..0d3bf0fb89aa8da2b1a5644c30bcd39a1d8af6d4 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -511,7 +511,7 @@ static inline uint64_t virtio_net_supported_guest_offloads(VirtIONet *n)
     return virtio_net_guest_offloads_by_features(vdev->guest_features);
 }
 
-static void virtio_net_set_features(VirtIODevice *vdev, uint32_t features)
+static void virtio_net_set_features(VirtIODevice *vdev, uint64_t features)
 {
     VirtIONet *n = VIRTIO_NET(vdev);
     int i;
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 596e3d8aaf5082f6470a0861e6b367f1f86460e9..8ac61568619d7f8455d3148fc2c188a64ff74276 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1003,7 +1003,7 @@ void virtio_save(VirtIODevice *vdev, QEMUFile *f)
     vmstate_save_state(f, &vmstate_virtio, vdev, NULL);
 }
 
-int virtio_set_features(VirtIODevice *vdev, uint32_t val)
+int virtio_set_features(VirtIODevice *vdev, uint64_t val)
 {
     VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
     bool bad = (val & ~(vdev->host_features)) != 0;
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 7222a904dc27acd6ee0b1c1ba015681f4c67abe7..2bb7c1ad1a247abe50512c562d7b8868b462d418 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -98,7 +98,7 @@ typedef struct VirtioDeviceClass {
     DeviceUnrealize unrealize;
     uint64_t (*get_features)(VirtIODevice *vdev, uint64_t requested_features);
     uint64_t (*bad_features)(VirtIODevice *vdev);
-    void (*set_features)(VirtIODevice *vdev, uint32_t val);
+    void (*set_features)(VirtIODevice *vdev, uint64_t val);
     void (*get_config)(VirtIODevice *vdev, uint8_t *config);
     void (*set_config)(VirtIODevice *vdev, const uint8_t *config);
     void (*reset)(VirtIODevice *vdev);
@@ -184,7 +184,7 @@ void virtio_queue_set_vector(VirtIODevice *vdev, int n, uint16_t vector);
 void virtio_set_status(VirtIODevice *vdev, uint8_t val);
 void virtio_reset(void *opaque);
 void virtio_update_irq(VirtIODevice *vdev);
-int virtio_set_features(VirtIODevice *vdev, uint32_t val);
+int virtio_set_features(VirtIODevice *vdev, uint64_t val);
 
 /* Base devices.  */
 typedef struct VirtIOBlkConf VirtIOBlkConf;
@@ -230,19 +230,19 @@ VirtQueue *virtio_vector_next_queue(VirtQueue *vq);
 static inline void virtio_add_feature(uint64_t *features, unsigned int fbit)
 {
     assert(fbit < 64);
-    *features |= (1 << fbit);
+    *features |= (1ULL << fbit);
 }
 
 static inline void virtio_clear_feature(uint64_t *features, unsigned int fbit)
 {
     assert(fbit < 64);
-    *features &= ~(1 << fbit);
+    *features &= ~(1ULL << fbit);
 }
 
 static inline bool __virtio_has_feature(uint64_t features, unsigned int fbit)
 {
     assert(fbit < 64);
-    return !!(features & (1 << fbit));
+    return !!(features & (1ULL << fbit));
 }
 
 static inline bool virtio_has_feature(VirtIODevice *vdev, unsigned int fbit)