diff --git a/Makefile.am b/Makefile.am
index 6ee7fe1..8e0d140 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,9 @@
 sbin_PROGRAMS = nbd-proxy
 
-nbd_proxy_CPPFLAGS = -DRUNSTATEDIR=\"$(runstatedir)\"
+nbd_proxy_CPPFLAGS = \
+	$(JSON_CFLAGS) \
+	-DRUNSTATEDIR=\"$(runstatedir)\" \
+	-DSYSCONFDIR=\"$(sysconfdir)\"
+
+nbd_proxy_LDADD = \
+	$(JSON_LIBS)