diff --git a/bricks/jsoncall.js b/bricks/jsoncall.js
index 8b29503..8875c29 100755
--- a/bricks/jsoncall.js
+++ b/bricks/jsoncall.js
@@ -44,10 +44,15 @@ bricks.HttpText = class {
 		};
 		bricks.extend(this.headers, headers);
 		var width=0, height=0;
+		var is_mobile = 0
+		if (bricks.is_mobile()){
+			is_mobile = 1;
+		}
 		if (bricks.app) {
 			width = bricks.app.screenWidth();
 			height = bricks.app.screenHeight();
 		}
+
 		this.params = {
 			"_webbricks_":1,
 			"width":width,