Index: apps/app_meetme.c
===================================================================
--- apps/app_meetme.c	(revision 156126)
+++ apps/app_meetme.c	(working copy)
@@ -1460,6 +1460,10 @@
 {
 	struct sla_event *event;
 
+	if (sla.thread == AST_PTHREADT_NULL) {
+		return;
+	}
+
 	if (!(event = ast_calloc(1, sizeof(*event))))
 		return;