diff --git a/lib/les.js b/lib/les.js
index 45d78578..8ffddfa2 100644
--- a/lib/les.js
+++ b/lib/les.js
@@ -71,7 +71,7 @@
 		const gc_enable = root.opt.gc_enable ? root.opt.gc_enable : true;
 		const gc_delay = root.opt.gc_delay ? root.opt.gc_delay : 1000;
 		
-		const gc_info_enable  = root.opt.gc_info_enable  ? root.opt.gc_info_enable  : true;
+		const gc_info_enable  = ("gc_info_enable" in root.opt) ? root.opt.gc_info_enable  : true;
 		const gc_info  = root.opt.gc_info  ? root.opt.gc_info  : 5000;
 		const gc_info_mini = root.opt.gc_info_mini ? root.opt.gc_info_mini : false;