diff --git a/Eigen/Core b/Eigen/Core
index b923b8c00..efdae86cf 100644
--- a/Eigen/Core
+++ b/Eigen/Core
@@ -375,7 +375,9 @@ using std::ptrdiff_t;
 
 #if defined EIGEN_VECTORIZE_AVX512
   #include "src/Core/arch/SSE/PacketMath.h"
+  #include "src/Core/arch/SSE/MathFunctions.h"
   #include "src/Core/arch/AVX/PacketMath.h"
+  #include "src/Core/arch/AVX/MathFunctions.h"
   #include "src/Core/arch/AVX512/PacketMath.h"
   #include "src/Core/arch/AVX512/MathFunctions.h"
 #elif defined EIGEN_VECTORIZE_AVX