diff --git a/Eigen/Core b/Eigen/Core
index 4bbde063a..41529bb63 100644
--- a/Eigen/Core
+++ b/Eigen/Core
@@ -153,7 +153,9 @@ using std::ptrdiff_t;
 
 #if defined EIGEN_VECTORIZE_AVX512
   #include "src/Core/arch/SSE/PacketMath.h"
+  #include "src/Core/arch/SSE/TypeCasting.h"
   #include "src/Core/arch/AVX/PacketMath.h"
+  #include "src/Core/arch/AVX/TypeCasting.h"
   #include "src/Core/arch/AVX512/PacketMath.h"
   #include "src/Core/arch/SSE/MathFunctions.h"
   #include "src/Core/arch/AVX/MathFunctions.h"