diff --git src/Makefile.autotools.am src/Makefile.autotools.am
--- src/Makefile.autotools.am
+++ src/Makefile.autotools.am
@@ -1,5 +1,14 @@
 ## vgmstream autotools script
 
+__vgmstream_includedir = $(includedir)/vgmstream
+__vgmstream_include_HEADERS = vgmstream.h streamfile.h util.h streamtypes.h vgmstream_types.h api.h
+__coding_includedir = $(includedir)/vgmstream/coding
+__coding_include_HEADERS = coding/g72x_state.h
+__util_includedir = $(includedir)/vgmstream/util
+__util_include_HEADERS = util/log.h util/reader_get.h util/reader_put.h
+__base_includedir = $(includedir)/vgmstream/base
+__base_include_HEADERS = base/plugins.h
+
 #noinst_LTLIBRARIES = libvgmstream.la
 lib_LTLIBRARIES = libvgmstream.la