diff --git a/src/cpuid.cpp b/src/cpuid.cpp
index 7a070ac..5a750b9 100644
--- a/src/cpuid.cpp
+++ b/src/cpuid.cpp
@@ -25,6 +25,7 @@
 #include <intrin.h>
 #else
 #include <x86intrin.h>
+#include <cpuid.h>
 #undef __cpuid
 
 static inline void __cpuid(int cpuinfo[4], int leaf) {