diff --git a/xhprof_lib/utils/xhprof_runs.php b/xhprof_lib/utils/xhprof_runs.php
index 017e2c35..0e1610cb 100644
--- a/xhprof_lib/utils/xhprof_runs.php
+++ b/xhprof_lib/utils/xhprof_runs.php
@@ -247,7 +247,7 @@ public function getDistinct($data)
   public static function getNextAssoc($resultSet)
   {
     $class = self::getDbClass();
-    return $class::getNextAssoc($resultSet);
+	return call_user_func_array(array($class, "getNextAssoc"), array($resultSet));
   }
   
   /**