diff --git a/reactos/dll/ntdll/def/ntdll.pspec b/reactos/dll/ntdll/def/ntdll.pspec
index 910f7ec8a25..e8a703cc9de 100644
--- a/reactos/dll/ntdll/def/ntdll.pspec
+++ b/reactos/dll/ntdll/def/ntdll.pspec
@@ -1319,6 +1319,8 @@
 @ cdecl _ltow(long ptr long)
 @ cdecl _memccpy(ptr ptr long long)
 @ cdecl _memicmp(str str long)
+@ cdecl -arch=x86_64 _setjmp(ptr ptr)
+@ cdecl -arch=x86_64 _setjmpex(ptr ptr)
 @ varargs _snprintf(ptr long str)
 @ varargs _snwprintf(ptr long wstr)
 @ cdecl _splitpath(str ptr ptr ptr ptr)
@@ -1371,6 +1373,7 @@
 @ cdecl isxdigit(long)
 @ cdecl labs(long)
 @ cdecl -arch=i386,x86_64 log(double)
+@ cdecl -arch=x86_64 longjmp(ptr)
 @ cdecl mbstowcs(ptr str long)
 @ cdecl memchr(ptr long long)
 @ cdecl memcmp(ptr ptr long)