diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c
index 35e30bb812cd9b96bc222d7854b7bc431d4d591f..02c514fb6e0b4e4e2e970dbd867d95c34693d891 100644
--- a/hw/block/pflash_cfi02.c
+++ b/hw/block/pflash_cfi02.c
@@ -917,8 +917,12 @@ static void pflash_cfi02_realize(DeviceState *dev, Error **errp)
     pfl->sector_erase_map = bitmap_new(pfl->total_sectors);
 
     pfl->rom_mode = true;
-    pflash_setup_mappings(pfl);
-    sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->mem);
+    if (pfl->mappings > 1) {
+        pflash_setup_mappings(pfl);
+        sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->mem);
+    } else {
+        sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->orig_mem);
+    }
 
     timer_init_ns(&pfl->timer, QEMU_CLOCK_VIRTUAL, pflash_timer, pfl);
     pfl->status = 0;