diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 2fc2a0dfc..02790ee43 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -89,6 +89,7 @@ add_dependencies(doc-unsupported-prerequisites unsupported_snippets unsupported_
 add_custom_target(doc ALL
   COMMAND doxygen
   COMMAND doxygen Doxyfile-unsupported
+  COMMAND ${CMAKE_COMMAND} -E copy ${Eigen_BINARY_DIR}/doc/html/group__TopicUnalignedArrayAssert.html ${Eigen_BINARY_DIR}/doc/html/TopicUnalignedArrayAssert.html
   COMMAND ${CMAKE_COMMAND} -E rename html eigen-doc
   COMMAND ${CMAKE_COMMAND} -E remove eigen-doc/eigen-doc.tgz
   COMMAND ${CMAKE_COMMAND} -E tar cfz eigen-doc.tgz eigen-doc