diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index ce575380a51e5177f52466d1907a0f3043929ff4..1ea30e07393d7c36bc9688d3ee8b802533fcecb8 100755
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -4630,7 +4630,7 @@ static int get_auth_methods(char *value)
 	if (strstr(value, "md5"))
 		methods |= IAX_AUTH_MD5;
 	if (strstr(value, "plaintext"))
-		methods |= IAX_AUTH_RSA;
+		methods |= IAX_AUTH_PLAINTEXT;
 	return methods;
 }