diff --git a/Eigen/src/Core/arch/CMakeLists.txt b/Eigen/src/Core/arch/CMakeLists.txt
index 8456dec15..0db8c558d 100644
--- a/Eigen/src/Core/arch/CMakeLists.txt
+++ b/Eigen/src/Core/arch/CMakeLists.txt
@@ -1,4 +1,5 @@
 ADD_SUBDIRECTORY(SSE)
 ADD_SUBDIRECTORY(AltiVec)
 ADD_SUBDIRECTORY(NEON)
+ADD_SUBDIRECTORY(AVX)
 ADD_SUBDIRECTORY(Default)