--- a/Makefile.am
+++ b/Makefile.am
@@ -66,6 +66,7 @@
 
 nobase_include_HEADERS = \
     libupnpp/config.h \
+    libupnpp/conf_post.h \
     libupnpp/base64.hxx \
     libupnpp/control/avtransport.hxx \
     libupnpp/control/cdircontent.hxx \