diff --git a/wp-includes/wp-db.php b/wp-includes/wp-db.php
index 43a652ac3..9cad94847 100644
--- a/wp-includes/wp-db.php
+++ b/wp-includes/wp-db.php
@@ -213,6 +213,9 @@ class wpdb {
 		$this->func_call = "\$db->get_row(\"$query\",$output,$y)";
 		if ( $query )
 			$this->query($query);
+		
+		if ( !isset($this->last_result[$y]) )
+			return null;
 
 		if ( $output == OBJECT ) {
 			return $this->last_result[$y] ? $this->last_result[$y] : null;