diff --git a/include/osmocom/core/Makefile.am b/include/osmocom/core/Makefile.am
index 1b0a1ce..e88ce89 100644
--- a/include/osmocom/core/Makefile.am
+++ b/include/osmocom/core/Makefile.am
@@ -35,6 +35,7 @@
 	stats.h \
 	macaddr.h \
 	msgb.h \
+	netns.h \
 	panic.h \
 	prbs.h \
 	prim.h \