diff --git a/isisd/isis_network.h b/isisd/isis_network.h
index 7633f9e..e1e10df 100644
--- a/isisd/isis_network.h
+++ b/isisd/isis_network.h
@@ -29,8 +29,8 @@
 
 int isis_sock_init (struct isis_circuit *circuit);
 
-int isis_recv_pdu_bcast  (struct isis_circuit *circuit, u_char *ssnpa);
-int isis_recv_pdu_p2p  (struct isis_circuit *circuit, u_char *ssnpa);
+int isis_recv_pdu_bcast (struct isis_circuit *circuit, u_char * ssnpa);
+int isis_recv_pdu_p2p (struct isis_circuit *circuit, u_char * ssnpa);
 int isis_send_pdu_bcast (struct isis_circuit *circuit, int level);
 int isis_send_pdu_p2p (struct isis_circuit *circuit, int level);