diff --git a/include/xrpl/beast/core/FunctionProfiler.h b/include/xrpl/beast/core/FunctionProfiler.h
index 5321636b3d..eb28a65bc1 100644
--- a/include/xrpl/beast/core/FunctionProfiler.h
+++ b/include/xrpl/beast/core/FunctionProfiler.h
@@ -9,7 +9,7 @@
 #include <sstream>
 #include <string>
 #include <unordered_map>
-// #include <x86intrin.h>
+#include <x86intrin.h>
 #include <vector>
 #include <cmath>
 #include <numeric>  // std::accumulate