diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index e00eee312d..fa86fe173c 100644
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -5162,8 +5162,11 @@ static int vm_execmain(struct ast_channel *chan, void *data)
 
 		if (!ast_strlen_zero(vms.username) && (vmu = find_user(&vmus, context ,vms.username)))
 			skipuser++;
-		else
+		else {
+			if (!ast_strlen_zero(vms.username))
+				ast_log(LOG_NOTICE, "Specified user '%s%s%s' not found (check voicemail.conf and/or realtime config).  Falling back to authentication mode.\n", vms.username, context ? "@" : "", context ? context : "");
 			valid = 0;
+		}
 	}
 
 	if (!valid)