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--- a/Makefile.am
+++ b/Makefile.am
@@ -67,6 +67,7 @@
     libupnpp/workqueue.hxx
 
 nobase_include_HEADERS = \
+    libupnpp/config.h \
     libupnpp/conf_post.h \
     libupnpp/base64.hxx \
     libupnpp/control/avtransport.hxx \