diff --git a/hw/display/virtio-vga.c b/hw/display/virtio-vga.c
index 17e5658d43..573e7d5928 100644
--- a/hw/display/virtio-vga.c
+++ b/hw/display/virtio-vga.c
@@ -195,8 +195,8 @@ static void virtio_vga_base_class_init(ObjectClass *klass, void *data)
 static TypeInfo virtio_vga_base_info = {
     .name          = TYPE_VIRTIO_VGA_BASE,
     .parent        = TYPE_VIRTIO_PCI,
-    .instance_size = sizeof(struct VirtIOVGABase),
-    .class_size    = sizeof(struct VirtIOVGABaseClass),
+    .instance_size = sizeof(VirtIOVGABase),
+    .class_size    = sizeof(VirtIOVGABaseClass),
     .class_init    = virtio_vga_base_class_init,
     .abstract      = true,
 };
@@ -226,7 +226,7 @@ static void virtio_vga_inst_initfn(Object *obj)
 static VirtioPCIDeviceTypeInfo virtio_vga_info = {
     .generic_name  = TYPE_VIRTIO_VGA,
     .parent        = TYPE_VIRTIO_VGA_BASE,
-    .instance_size = sizeof(struct VirtIOVGA),
+    .instance_size = sizeof(VirtIOVGA),
     .instance_init = virtio_vga_inst_initfn,
 };