diff --git a/include/hw/misc/aspeed_sdmc.h b/include/hw/misc/aspeed_sdmc.h
index 551c8afdf4..682f0f5d56 100644
--- a/include/hw/misc/aspeed_sdmc.h
+++ b/include/hw/misc/aspeed_sdmc.h
@@ -14,7 +14,7 @@
 #define TYPE_ASPEED_SDMC "aspeed.sdmc"
 #define ASPEED_SDMC(obj) OBJECT_CHECK(AspeedSDMCState, (obj), TYPE_ASPEED_SDMC)
 
-#define ASPEED_SDMC_NR_REGS (0x8 >> 2)
+#define ASPEED_SDMC_NR_REGS (0x174 >> 2)
 
 typedef struct AspeedSDMCState {
     /*< private >*/