diff --git a/apps/app_queue.c b/apps/app_queue.c
index ce6f54e664a299058a878bf53b64d12fa1169476..bcf335075778941b5d5eecf1998bec43f09c6d33 100644
--- a/apps/app_queue.c
+++ b/apps/app_queue.c
@@ -2907,9 +2907,9 @@ static int try_calling(struct queue_ent *qe, const char *options, char *announce
 
 				if (mixmonapp) {
 					if (!ast_strlen_zero(monitor_exec))
-						snprintf(mixmonargs, sizeof(mixmonargs)-1, "%s|b%s|%s", tmpid2, monitor_options, monitor_exec);
+						snprintf(mixmonargs, sizeof(mixmonargs)-1, "%s,b%s,%s", tmpid2, monitor_options, monitor_exec);
 					else
-						snprintf(mixmonargs, sizeof(mixmonargs)-1, "%s|b%s", tmpid2, monitor_options);
+						snprintf(mixmonargs, sizeof(mixmonargs)-1, "%s,b%s", tmpid2, monitor_options);
 						
 					ast_debug(1, "Arguments being passed to MixMonitor: %s\n", mixmonargs);
 					/* We purposely lock the CDR so that pbx_exec does not update the application data */