diff --git a/src/rpc/Makefile.inc.am b/src/rpc/Makefile.inc.am
index e5b830605a..b8ca53c69a 100644
--- a/src/rpc/Makefile.inc.am
+++ b/src/rpc/Makefile.inc.am
@@ -111,6 +111,7 @@ libvirt_net_rpc_server_la_SOURCES = \
 libvirt_net_rpc_server_la_CFLAGS = \
 	$(DBUS_CFLAGS) \
 	$(XDR_CFLAGS) \
+	$(SASL_CFLAGS) \
 	$(AM_CFLAGS) \
 	$(NULL)
 libvirt_net_rpc_server_la_LDFLAGS = \