diff --git a/frappe/public/js/frappe/form/grid_row.js b/frappe/public/js/frappe/form/grid_row.js
index f5a06311e9..f4bcecc68e 100644
--- a/frappe/public/js/frappe/form/grid_row.js
+++ b/frappe/public/js/frappe/form/grid_row.js
@@ -392,8 +392,11 @@ export default class GridRow {
 
 		// sync get_query
 		field.get_query = this.grid.get_field(df.fieldname).get_query;
-		field.df.onchange = function() {
-			me.grid.grid_rows[this.doc.idx-1].refresh_field(this.df.fieldname);
+
+		var field_on_change_function = field.df.onchange;
+		field.df.onchange = function(e) {
+			field_on_change_function && field_on_change_function(e);
+			me.grid.grid_rows[this.doc.idx - 1].refresh_field(this.df.fieldname);
 		};
 		field.refresh();
 		if(field.$input) {