diff --git a/exec/load/fidocfg.js b/exec/load/fidocfg.js
index ab4dcb56a281236532bc10b5f7e66d2aa53801da..588d98d11b0999af21227e608a7ab1afb5bd9b97 100644
--- a/exec/load/fidocfg.js
+++ b/exec/load/fidocfg.js
@@ -51,7 +51,7 @@ function TickITCfg() {
 
 	function lcprops(obj)
 	{
-		if(typeof obj == 'object' && !Array.isArray(obj)) {
+		if(typeof obj == 'object' && obj !== null) {
 			var i;
 			var keys = Object.keys(obj);