diff --git a/reactos/dll/win32/msvcrt/msvcrt.spec b/reactos/dll/win32/msvcrt/msvcrt.spec
index 02d506e9699..e4012b04cf8 100644
--- a/reactos/dll/win32/msvcrt/msvcrt.spec
+++ b/reactos/dll/win32/msvcrt/msvcrt.spec
@@ -18,9 +18,11 @@
 @ cdecl -i386 -norelay ??1bad_typeid@@UAE@XZ() __thiscall_MSVCRT_bad_typeid_dtor
 @ cdecl -i386 -norelay ??1exception@@UAE@XZ() __thiscall_MSVCRT_exception_dtor
 @ cdecl -i386 -norelay ??1type_info@@UAE@XZ() __thiscall_MSVCRT_type_info_dtor
-@ cdecl ??2@YAPAXI@Z(long) MSVCRT_operator_new
+@ cdecl -arch=win32 ??2@YAPAXI@Z(long) MSVCRT_operator_new
+@ cdecl -arch=win64 ??2@YAPEAX_K@Z(double) MSVCRT_operator_new
 # @ cdecl ??2@YAPAXIHPBDH@Z(long long str long) MSVCRT_operator_new_dbg
-@ cdecl ??3@YAXPAX@Z(ptr) MSVCRT_operator_delete
+@ cdecl -arch=win32 ??3@YAXPAX@Z(ptr) MSVCRT_operator_delete
+@ cdecl -arch=win64 ??3@YAXPEAX@Z(ptr) MSVCRT_operator_delete
 @ cdecl -i386 -norelay ??4__non_rtti_object@@QAEAAV0@ABV0@@Z(ptr) __thiscall_MSVCRT___non_rtti_object_opequals
 @ cdecl -i386 -norelay ??4bad_cast@@QAEAAV0@ABV0@@Z(ptr) __thiscall_MSVCRT_bad_cast_opequals
 @ cdecl -i386 -norelay ??4bad_typeid@@QAEAAV0@ABV0@@Z(ptr) __thiscall_MSVCRT_bad_typeid_opequals