diff --git a/configure.ac b/configure.ac
index 2e077cbd..e079e1f3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -453,6 +453,7 @@ AC_CONFIG_FILES([
   doc/package_README.rst
   doc/tutorial-client.rst
   doc/tutorial-server.rst
+  doc/nghttpx-howto.rst
   doc/nghttp2.h.rst
   doc/nghttp2ver.h.rst
 ])
diff --git a/doc/Makefile.am b/doc/Makefile.am
index aaa216a2..b602ca42 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -30,6 +30,7 @@ EXTRA_DIST = \
 	sources/index.rst \
 	sources/tutorial-client.rst \
 	sources/tutorial-server.rst \
+	sources/nghttpx-howto.rst \
 	_themes/sphinx_rtd_theme/footer.html \
 	_themes/sphinx_rtd_theme/theme.conf \
 	_themes/sphinx_rtd_theme/layout_old.html \
diff --git a/doc/nghttpx-howto.rst b/doc/nghttpx-howto.rst
deleted file mode 100644
index 462a5ffb..00000000
--- a/doc/nghttpx-howto.rst
+++ /dev/null
@@ -1 +0,0 @@
-.. include:: ../doc/sources/nghttpx-howto.rst
diff --git a/doc/nghttpx-howto.rst.in b/doc/nghttpx-howto.rst.in
new file mode 100644
index 00000000..082ce510
--- /dev/null
+++ b/doc/nghttpx-howto.rst.in
@@ -0,0 +1 @@
+.. include:: @top_srcdir@/doc/sources/nghttpx-howto.rst