diff --git a/Makefile.am b/Makefile.am
index c40886b6c..778e02ab0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -88,7 +88,6 @@ pkginclude_HEADERS += include/libsemigroups/presentation.hpp
 pkginclude_HEADERS += include/libsemigroups/presentation.tpp
 pkginclude_HEADERS += include/libsemigroups/ranges.hpp
 pkginclude_HEADERS += include/libsemigroups/ranges.tpp
-pkginclude_HEADERS += include/libsemigroups/rewriters.hpp
 pkginclude_HEADERS += include/libsemigroups/runner.hpp
 pkginclude_HEADERS += include/libsemigroups/runner.tpp
 pkginclude_HEADERS += include/libsemigroups/schreier-sims.hpp
@@ -134,6 +133,7 @@ detailinclude_HEADERS += include/libsemigroups/detail/pool.hpp
 detailinclude_HEADERS += include/libsemigroups/detail/race.hpp
 detailinclude_HEADERS += include/libsemigroups/detail/report.hpp
 detailinclude_HEADERS += include/libsemigroups/detail/report.tpp
+detailinclude_HEADERS += include/libsemigroups/detail/rewriters.hpp
 detailinclude_HEADERS += include/libsemigroups/detail/stl.hpp
 detailinclude_HEADERS += include/libsemigroups/detail/string.hpp
 detailinclude_HEADERS += include/libsemigroups/detail/tce.hpp