diff --git a/ui-grid/ui-grid-tests.ts b/ui-grid/ui-grid-tests.ts
index 6bdae2f64..1d0dd3462 100644
--- a/ui-grid/ui-grid-tests.ts
+++ b/ui-grid/ui-grid-tests.ts
@@ -72,7 +72,7 @@ columnDef.menuItems = [{
 columnDef.minWidth = 100;
 columnDef.name = 'MyColumn';
 columnDef.sort = {
-    direction: 0,
+    direction: 'ASC',
     ignoreSort: false,
     priority: 1
 };