diff --git a/include/ebtables_u.h b/include/ebtables_u.h
index d31186c..781c4b0 100644
--- a/include/ebtables_u.h
+++ b/include/ebtables_u.h
@@ -185,6 +185,7 @@
 void get_dbinfo(struct brdb_dbinfo *nr);
 void get_db(int len, struct brdb_dbentry *db);
 void deliver_allowdb(__u16 *decision);
+int name_to_protocol(char *name);
 int getmac(char *from, char *to);
 void check_option(unsigned int *flags, unsigned int mask);
 int check_inverse(const char option[]);