diff -r c173452bf894 -r 0733114a2090 svghmi/widget_jsontable.ysl2
--- a/svghmi/widget_jsontable.ysl2	Mon Mar 15 11:25:24 2021 +0100
+++ b/svghmi/widget_jsontable.ysl2	Tue Mar 16 14:18:39 2021 +0100
@@ -52,6 +52,11 @@
             super.unsub();
         }
 
+        sub(...args){
+            this.cache[0] = undefined;
+            super.sub(...args);
+        }
+
         dispatch(value, oldval, index) {
 
             if(this.cache[index] != value)