diff --git src/Makefile.autotools.am src/Makefile.autotools.am
index a15eb51f..d6be8b5c 100644
--- src/Makefile.autotools.am
+++ src/Makefile.autotools.am
@@ -1,5 +1,11 @@
 ## vgmstream autotools script
 
+include_HEADERS = ../ext_includes/clHCA.h
+__vgmstream_includedir = $(includedir)/vgmstream
+__vgmstream_include_HEADERS = vgmstream.h streamfile.h util.h streamtypes.h
+__coding_includedir = $(includedir)/vgmstream/coding
+__coding_include_HEADERS = coding/g72x_state.h coding/nwa_decoder.h
+
 lib_LTLIBRARIES = libvgmstream.la
 
 AM_CFLAGS = -I$(top_builddir) -I$(top_srcdir) -I$(top_srcdir)/ext_includes/