diff --git a/src/filterRows.js b/src/filterRows.js
index 18668bb..9828ca0 100644
--- a/src/filterRows.js
+++ b/src/filterRows.js
@@ -33,7 +33,9 @@ export default function filterRows(rows, filters, data) {
 function getFilterMethod(rows, data, filter) {
     const getFormattedValue = cell => {
         let formatter = CellManager.getCustomCellFormatter(cell);
-        data = data.getData(cell.rowIndex);
+        if (data && data.constructor.name == "DataManager") {
+            data = data.getData(cell.rowIndex);
+        }
         if (formatter && cell.content) {
             cell.html = formatter(cell.content, rows[cell.rowIndex], cell.column, rows[cell.rowIndex], filter, data);
             return stripHTML(cell.html);