diff --git a/reactos/include/ndk/rtlfuncs.h b/reactos/include/ndk/rtlfuncs.h
index 081027cc763..38d2026824e 100644
--- a/reactos/include/ndk/rtlfuncs.h
+++ b/reactos/include/ndk/rtlfuncs.h
@@ -3877,12 +3877,12 @@ NTSYSAPI
 NTSTATUS
 NTAPI
 RtlGetSetBootStatusData(
-    HANDLE FileHandle,
-    BOOLEAN WriteMode,
-    DWORD DataClass,
-    PVOID Buffer,
-    ULONG BufferSize,
-    DWORD DataClass2
+    IN HANDLE FileHandle,
+    IN BOOLEAN WriteMode,
+    IN RTL_BSD_ITEM_TYPE DataClass,
+    IN PVOID Buffer,
+    IN ULONG BufferSize,
+    OUT PULONG ReturnLength OPTIONAL
 );
 
 NTSYSAPI
diff --git a/reactos/include/ndk/rtltypes.h b/reactos/include/ndk/rtltypes.h
index 6c566723991..198af634e52 100644
--- a/reactos/include/ndk/rtltypes.h
+++ b/reactos/include/ndk/rtltypes.h
@@ -367,6 +367,20 @@ extern BOOLEAN NTSYSAPI NLS_MB_OEM_CODE_PAGE_TAG;
 
 #ifdef NTOS_MODE_USER
 
+//
+// Boot Status Data Field Types
+//
+typedef enum _RTL_BSD_ITEM_TYPE
+{
+    RtlBsdItemVersionNumber,
+    RtlBsdItemProductType,
+    RtlBsdItemAabEnabled,
+    RtlBsdItemAabTimeout,
+    RtlBsdItemBootGood,
+    RtlBsdItemBootShutdown,
+    RtlBsdItemMax
+} RTL_BSD_ITEM_TYPE, *PRTL_BSD_ITEM_TYPE;
+
 //
 // Table and Compare result types
 //
diff --git a/reactos/lib/rtl/bootdata.c b/reactos/lib/rtl/bootdata.c
index afbe1af4c5d..3f38da8d490 100644
--- a/reactos/lib/rtl/bootdata.c
+++ b/reactos/lib/rtl/bootdata.c
@@ -686,12 +686,12 @@ RtlCreateBootStatusDataFile(VOID)
 */
 NTSTATUS
 NTAPI
-RtlGetSetBootStatusData(HANDLE Filehandle,
-                        BOOLEAN WriteMode,
-                        DWORD DataClass,
-                        PVOID Buffer,
-                        ULONG BufferSize,
-                        DWORD DataClass2)
+RtlGetSetBootStatusData(IN HANDLE Filehandle,
+                        IN BOOLEAN WriteMode,
+                        IN RTL_BSD_ITEM_TYPE DataClass,
+                        IN PVOID Buffer,
+                        IN ULONG BufferSize,
+                        OUT PULONG ReturnLength)
 {
     UNIMPLEMENTED;
     return STATUS_NOT_IMPLEMENTED;