diff --git a/stl/inc/complex b/stl/inc/complex
index 50ca9ae0aa9..f7960e5fe0c 100644
--- a/stl/inc/complex
+++ b/stl/inc/complex
@@ -24,8 +24,7 @@
 #elif defined(_M_IX86) || defined(_M_X64)
 #define _FMP_USING_X86_X64_INTRINSICS
 #include <__msvc_bit_utils.hpp>
-#include <emmintrin.h>
-extern "C" __m128d __cdecl _mm_fmsub_sd(__m128d, __m128d, __m128d);
+#include <intrin.h>
 #endif // ^^^ defined(_M_IX86) || defined(_M_X64) ^^^
 
 #pragma pack(push, _CRT_PACKING)