diff --git a/methods/schulzeResults.php b/methods/schulzeResults.php
index 69fb437..8f7e5e0 100644
--- a/methods/schulzeResults.php
+++ b/methods/schulzeResults.php
@@ -51,7 +51,7 @@ class schulze
 		$w = array();
 		$i = 0;
 		$j = 0;
-		$v = stringify($v);
+		$v = $this->stringify($v);
 		sort($v);
 		print_r($v);
 		for($i = 0;$i < count($v) - 1;$i++)
@@ -69,7 +69,7 @@ class schulze
 				$w[$s] = 1;
 			}
 		}
-		$w = votify($w);
+		$w = $this->votify($w);
 		print_r($w);
 	}