diff --git a/sdk/xtdk/bltypes.h b/sdk/xtdk/bltypes.h
index 3ea3355..f3c255c 100644
--- a/sdk/xtdk/bltypes.h
+++ b/sdk/xtdk/bltypes.h
@@ -99,7 +99,7 @@ typedef EFI_STATUS (XTCDECL *PBL_LOAD_EFI_IMAGE)(IN PEFI_DEVICE_PATH_PROTOCOL De
 typedef VOID (XTCDECL *PBL_LLIST_INITIALIZE_HEAD)(IN PLIST_ENTRY ListHead);
 typedef VOID (XTCDECL *PBL_LLIST_INSERT_HEAD)(IN OUT PLIST_ENTRY ListHead, IN PLIST_ENTRY Entry);
 typedef VOID (XTCDECL *PBL_LLIST_INSERT_TAIL)(IN OUT PLIST_ENTRY ListHead, IN PLIST_ENTRY Entry);
-typedef VOID (XTCDECL *PBL_LLIST_REMOVE_ENTRY)(IN PLIST_ENTRY Entry);
+typedef BOOLEAN (XTCDECL *PBL_LLIST_REMOVE_ENTRY)(IN PLIST_ENTRY Entry);
 typedef EFI_STATUS (XTCDECL *PBL_MAP_EFI_MEMORY)(IN OUT PXTBL_PAGE_MAPPING PageMap, IN OUT PVOID *MemoryMapAddress, IN PBL_GET_MEMTYPE_ROUTINE GetMemoryTypeRoutine);
 typedef EFI_STATUS (XTCDECL *PBL_MAP_PAGE)(IN PXTBL_PAGE_MAPPING PageMap, IN ULONG_PTR VirtualAddress, IN ULONG_PTR PhysicalAddress, IN ULONG NumberOfPages);
 typedef EFI_STATUS (XTCDECL *PBL_MAP_VIRTUAL_MEMORY)(IN OUT PXTBL_PAGE_MAPPING PageMap, IN PVOID VirtualAddress, IN PVOID PhysicalAddress, IN ULONGLONG NumberOfPages, IN LOADER_MEMORY_TYPE MemoryType);