diff --git a/xtoskrnl/xtoskrnl.spec b/xtoskrnl/xtoskrnl.spec
index f8f12d8..987c3dd 100644
--- a/xtoskrnl/xtoskrnl.spec
+++ b/xtoskrnl/xtoskrnl.spec
@@ -7,5 +7,7 @@
 @ stdcall RtlSameMemory(ptr ptr long)
 @ stdcall RtlSetMemory(ptr long long)
 @ cdecl RtlWideStringCompare(wstr wstr long)
+@ cdecl RtlWideStringConcatenate(wstr wstr long)
+@ cdecl RtlWideStringLength(wstr long)
 @ cdecl RtlWideStringTokenize(wstr wstr wstr)
 @ stdcall RtlZeroMemory(ptr long)
\ No newline at end of file