diff --git a/cmake/Platform/Common/Install_common.cmake b/cmake/Platform/Common/Install_common.cmake
index 5b476667e2..0a84d3ceb2 100644
--- a/cmake/Platform/Common/Install_common.cmake
+++ b/cmake/Platform/Common/Install_common.cmake
@@ -64,6 +64,7 @@ function(ly_setup_target OUTPUT_CONFIGURED_TARGET ALIAS_TARGET_NAME absolute_tar
                         PATTERN *.h
                         PATTERN *.hpp
                         PATTERN *.inl
+                        PATTERN *.hxx
                 )
             endif()
         endforeach()