diff --git a/web_widget_x2many_2d_matrix/static/src/js/widget_x2many_2d_matrix.js b/web_widget_x2many_2d_matrix/static/src/js/widget_x2many_2d_matrix.js
index f89db2d48..74ef902b5 100644
--- a/web_widget_x2many_2d_matrix/static/src/js/widget_x2many_2d_matrix.js
+++ b/web_widget_x2many_2d_matrix/static/src/js/widget_x2many_2d_matrix.js
@@ -59,17 +59,13 @@ odoo.define("web_widget_x2many_2d_matrix.widget", function (require) {
                     )
                 );
             }
-            this.show_row_totals = this.parse_boolean(
-                node.show_row_totals ||
+            this.show_row_totals = Boolean(
+                this.parse_boolean(node.show_row_totals || "1") &&
                     this.is_aggregatable(field_defs[this.field_value])
-                    ? "1"
-                    : ""
             );
-            this.show_column_totals = this.parse_boolean(
-                node.show_column_totals ||
+            this.show_column_totals = Boolean(
+                this.parse_boolean(node.show_column_totals || "1") &&
                     this.is_aggregatable(field_defs[this.field_value])
-                    ? "1"
-                    : ""
             );
         },