diff --git a/Makefile.am b/Makefile.am
index 401d2ac5..2e962153 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -63,7 +63,8 @@ ell_headers = ell/util.h \
 			ell/dhcp6.h \
 			ell/acd.h \
 			ell/cleanup.h \
-			ell/netconfig.h
+			ell/netconfig.h \
+			ell/sysctl.h
 
 ell_sources = ell/private.h \
 			ell/missing.h \
@@ -143,7 +144,8 @@ ell_sources = ell/private.h \
 			ell/dhcp6-lease.c \
 			ell/dhcp6-transport.c \
 			ell/acd.c \
-			ell/netconfig.c
+			ell/netconfig.c \
+			ell/sysctl.c
 
 ell_shared = ell/useful.h ell/asn1-private.h