diff --git a/Eigen/src/Core/util/Memory.h b/Eigen/src/Core/util/Memory.h
index e64190874..1fc0a6ccf 100644
--- a/Eigen/src/Core/util/Memory.h
+++ b/Eigen/src/Core/util/Memory.h
@@ -595,9 +595,8 @@ public:
 #    define EIGEN_CPUID(abcd,func,id) \
        __asm__ __volatile__ ("cpuid": "=a" (abcd[0]), "=b" (abcd[1]), "=c" (abcd[2]), "=d" (abcd[3]) : "a" (func), "c" (id) );
 #    endif
-// TODO fix MSVC cpuid
-// #elif defined(_MSC_VER)
-// #    define EIGEN_CPUID(abcd,func) __cpuid((int*)abcd,func)
+#elif defined(_MSC_VER)
+#    define EIGEN_CPUID(abcd,func,id) __cpuidex((int*)abcd,func,id)
 #endif
 
 #ifdef EIGEN_CPUID