diff -u --recursive loudmouth-1.5.3-vanilla/loudmouth/lm-sasl.c loudmouth-1.5.3/loudmouth/lm-sasl.c
--- loudmouth-1.5.3-vanilla/loudmouth/lm-sasl.c	2018-07-27 22:42:03.250616281 -0400
+++ loudmouth-1.5.3/loudmouth/lm-sasl.c	2018-07-27 22:42:26.756659723 -0400
@@ -529,7 +529,7 @@
     }
 
     nonce = g_hash_table_lookup (challenge, "nonce");
-    if (nonce == NULL || nonce == '\0') {
+    if (nonce == NULL || *nonce == '\0') {
         g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_SASL,
                "%s: server didn't provide a nonce in the challenge",
                G_STRFUNC);