diff --git a/Engine/source/math/mMath_CPU.cpp b/Engine/source/math/mMath_CPU.cpp
index 0844c31e9..4bd4034e6 100644
--- a/Engine/source/math/mMath_CPU.cpp
+++ b/Engine/source/math/mMath_CPU.cpp
@@ -7,7 +7,7 @@
 
 #if defined(__x86_64__) || defined(_M_X64) || defined(__i386) || defined(_M_IX86)
 #define TORQUE_MATH_x64 1
-#include <intrin.h> // this header will sort out which intrinsics are supported.
+#include <immintrin.h>
 #elif defined(__aarch64__) || defined(_M_ARM64)
 #define TORQUE_MATH_ARM 1
 #include <arm_neon.h>