diff --git a/makenestedarray.php b/makenestedarray.php
index 0587d2b..e635050 100644
--- a/makenestedarray.php
+++ b/makenestedarray.php
@@ -57,7 +57,7 @@ function makerowdata($row,$model) {
 		foreach($keys as $pos=>$key) {
 			if($key != 'key' && $key != 'children') {
 				// add key:value pair to "columns" array
-				$columns[$smodel[$key]] = $row[$key];
+				$columns[$model[$key]] = $row[$key];
 			}
 		}
 		return $columns;