diff --git a/src/BitcoinPHP/BitcoinECDSA/BitcoinECDSA.php b/src/BitcoinPHP/BitcoinECDSA/BitcoinECDSA.php
index 788602d..68e0d4f 100644
--- a/src/BitcoinPHP/BitcoinECDSA/BitcoinECDSA.php
+++ b/src/BitcoinPHP/BitcoinECDSA/BitcoinECDSA.php
@@ -911,7 +911,7 @@ public function getWif($compressed = true)
      */
     public function getUncompressedWif()
     {
-        return getWif(false);
+        return $this->getWif(false);
     }
 
     /***