diff --git a/src/kike.c b/src/kike.c
index c191e02..b5ebc2e 100644
--- a/src/kike.c
+++ b/src/kike.c
@@ -749,7 +749,7 @@ client_in_mask_list (const struct client *c, const struct str_vector *mask)
 		c->nickname, c->username, c->hostname);
 	bool result = false;
 	for (size_t i = 0; i < mask->len; i++)
-		if (!irc_fnmatch (client, mask->vector[i]))
+		if (!irc_fnmatch (mask->vector[i], client))
 		{
 			result = true;
 			break;