diff --git a/sys/netipsec/keydb.h b/sys/netipsec/keydb.h
index 35a01229f7f2..07e1f6024e0c 100644
--- a/sys/netipsec/keydb.h
+++ b/sys/netipsec/keydb.h
@@ -52,7 +52,7 @@ union sockaddr_union {
 /* Security Assocciation Index */
 /* NOTE: Ensure to be same address family */
 struct secasindex {
-	union sockaddr_union src;	/* srouce address for SA */
+	union sockaddr_union src;	/* source address for SA */
 	union sockaddr_union dst;	/* destination address for SA */
 	u_int16_t proto;		/* IPPROTO_ESP or IPPROTO_AH */
 	u_int8_t mode;			/* mode of protocol, see ipsec.h */