diff --git a/api/js/etemplate/et2_widget_historylog.js b/api/js/etemplate/et2_widget_historylog.js
index 7f039f3157..4767099e47 100644
--- a/api/js/etemplate/et2_widget_historylog.js
+++ b/api/js/etemplate/et2_widget_historylog.js
@@ -341,11 +341,12 @@ var et2_historylog = /** @class */ (function (_super) {
         // Parse / set legacy options
         if (options) {
             var mgr = this.getArrayMgr("content");
-            for (var i_3 = 0; i_3 < options.length && i_3 < widget.legacyOptions.length; i_3++) {
+            var legacy = widget.constructor.legacyOptions || [];
+            for (var i_3 = 0; i_3 < options.length && i_3 < legacy.length; i_3++) {
                 // Not set
                 if (options[i_3] === "")
                     continue;
-                var attr = widget.attributes[widget.legacyOptions[i_3]];
+                var attr = widget.attributes[legacy[i_3]];
                 var attrValue = options[i_3];
                 // If the attribute is marked as boolean, parse the
                 // expression as bool expression.
@@ -355,12 +356,12 @@ var et2_historylog = /** @class */ (function (_super) {
                 else {
                     attrValue = mgr.expandName(attrValue);
                 }
-                attrs[widget.legacyOptions[i_3]] = attrValue;
-                if (typeof widget['set_' + widget.legacyOptions[i_3]] === 'function') {
-                    widget['set_' + widget.legacyOptions[i_3]].call(widget, attrValue);
+                attrs[legacy[i_3]] = attrValue;
+                if (typeof widget['set_' + legacy[i_3]] === 'function') {
+                    widget['set_' + legacy[i_3]].call(widget, attrValue);
                 }
                 else {
-                    widget.options[widget.legacyOptions[i_3]] = attrValue;
+                    widget.options[legacy[i_3]] = attrValue;
                 }
             }
         }
diff --git a/api/js/etemplate/et2_widget_historylog.ts b/api/js/etemplate/et2_widget_historylog.ts
index 08fd01f9cb..12982ca73d 100644
--- a/api/js/etemplate/et2_widget_historylog.ts
+++ b/api/js/etemplate/et2_widget_historylog.ts
@@ -471,12 +471,13 @@ export class et2_historylog extends et2_valueWidget implements et2_IDataProvider
 		if(options)
 		{
 			const mgr = this.getArrayMgr("content");
-			for(let i = 0; i < options.length && i < widget.legacyOptions.length; i++)
+			let legacy = widget.constructor.legacyOptions || [];
+			for(let i = 0; i < options.length && i < legacy.length; i++)
 			{
 				// Not set
 				if(options[i] === "") continue;
 
-				const attr = widget.attributes[widget.legacyOptions[i]];
+				const attr = widget.attributes[legacy[i]];
 				let attrValue = options[i];
 
 				// If the attribute is marked as boolean, parse the
@@ -489,14 +490,14 @@ export class et2_historylog extends et2_valueWidget implements et2_IDataProvider
 				{
 					attrValue = mgr.expandName(attrValue);
 				}
-				attrs[widget.legacyOptions[i]] = attrValue;
-				if(typeof widget['set_'+widget.legacyOptions[i]] === 'function')
+				attrs[legacy[i]] = attrValue;
+				if(typeof widget['set_'+legacy[i]] === 'function')
 				{
-					widget['set_'+widget.legacyOptions[i]].call(widget, attrValue);
+					widget['set_'+legacy[i]].call(widget, attrValue);
 				}
 				else
 				{
-					widget.options[widget.legacyOptions[i]] = attrValue;
+					widget.options[legacy[i]] = attrValue;
 				}
 			}
 		}