diff --git a/src/common.h b/src/common.h
index 4f51175..3dd22b3 100644
--- a/src/common.h
+++ b/src/common.h
@@ -104,7 +104,7 @@ struct query {
 };
 
 enum connection {
-	CONN_RAW_UDP,
+	CONN_RAW_UDP = 0,
 	CONN_DNS_NULL,
 	CONN_MAX
 };
diff --git a/src/user.c b/src/user.c
index 61a16e8..6391573 100644
--- a/src/user.c
+++ b/src/user.c
@@ -199,7 +199,7 @@ user_set_conn_type(int userid, enum connection c)
 	if (userid < 0 || userid >= usercount)
 		return;
 
-	if (c < 0 || c >= CONN_MAX)
+	if (c < CONN_RAW_UDP || c >= CONN_MAX)
 		return;
 
 	users[userid].conn = c;