diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index 3804fe2..3862d7a 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -1981,18 +1981,20 @@
     pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
 
     qxl->rom_size = qxl_rom_size();
-    memory_region_init_ram(&qxl->rom_bar, NULL, "qxl.vrom", qxl->rom_size);
+    memory_region_init_ram(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom",
+                           qxl->rom_size);
     vmstate_register_ram(&qxl->rom_bar, &qxl->pci.qdev);
     init_qxl_rom(qxl);
     init_qxl_ram(qxl);
 
     qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces);
-    memory_region_init_ram(&qxl->vram_bar, NULL, "qxl.vram", qxl->vram_size);
+    memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram",
+                           qxl->vram_size);
     vmstate_register_ram(&qxl->vram_bar, &qxl->pci.qdev);
-    memory_region_init_alias(&qxl->vram32_bar, NULL, "qxl.vram32", &qxl->vram_bar,
-                             0, qxl->vram32_size);
+    memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32",
+                             &qxl->vram_bar, 0, qxl->vram32_size);
 
-    memory_region_init_io(&qxl->io_bar, NULL, &qxl_io_ops, qxl,
+    memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl,
                           "qxl-ioports", io_size);
     if (qxl->id == 0) {
         vga_dirty_log_start(&qxl->vga);
@@ -2095,7 +2097,8 @@
 
     qxl->id = device_id++;
     qxl_init_ramsize(qxl);
-    memory_region_init_ram(&qxl->vga.vram, NULL, "qxl.vgavram", qxl->vga.vram_size);
+    memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram",
+                           qxl->vga.vram_size);
     vmstate_register_ram(&qxl->vga.vram, &qxl->pci.qdev);
     qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram);
     qxl->vga.con = graphic_console_init(DEVICE(dev), &qxl_ops, qxl);