diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index d24e9e6c3a..2cb7b991ef 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1866,9 +1866,9 @@ void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f,
     }
 
     /* SLEEP_CONTROL_REG */
-    build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0);
+    build_append_gas_from_struct(tbl, &f->sleep_ctl);
     /* SLEEP_STATUS_REG */
-    build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0);
+    build_append_gas_from_struct(tbl, &f->sleep_sts);
 
     /* TODO: extra fields need to be added to support revisions above rev5 */
     assert(f->rev == 5);
diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h
index c13327fa78..3be9ab5049 100644
--- a/include/hw/acpi/acpi-defs.h
+++ b/include/hw/acpi/acpi-defs.h
@@ -88,6 +88,8 @@ typedef struct AcpiFadtData {
     struct AcpiGenericAddress pm_tmr;    /* PM_TMR_BLK */
     struct AcpiGenericAddress gpe0_blk;  /* GPE0_BLK */
     struct AcpiGenericAddress reset_reg; /* RESET_REG */
+    struct AcpiGenericAddress sleep_ctl; /* SLEEP_CONTROL_REG */
+    struct AcpiGenericAddress sleep_sts; /* SLEEP_STATUS_REG */
     uint8_t reset_val;         /* RESET_VALUE */
     uint8_t  rev;              /* Revision */
     uint32_t flags;            /* Flags */