Index: apps/app_queue.c
===================================================================
--- apps/app_queue.c	(revision 232810)
+++ apps/app_queue.c	(working copy)
@@ -1838,6 +1838,16 @@
 	int paused  = 0;
 	int found = 0;
 
+	if (membername == NULL) {
+		ast_log(LOG_WARNING, "A realtime field 'membername' is NULL, should be a string");
+		return;
+	}
+
+	if (rt_uniqueid == NULL) {
+		ast_log(LOG_WARNING, "Realtime field uniqueid for '%s' is NULL, should be numeric", membername);
+		return;
+	}
+
 	if (penalty_str) {
 		penalty = atoi(penalty_str);
 		if (penalty < 0)