diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 4175dce3967c..e8297cefde09 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -344,7 +344,7 @@ enum acpi_cdat_type {
 
 /* Subtable 0: Device Scoped Memory Affinity Structure (DSMAS) */
 
-struct acpi_cadt_dsmas {
+struct acpi_cdat_dsmas {
 	u8 dsmad_handle;
 	u8 flags;
 	u16 reserved;