diff --git a/src/Purl.php b/src/Purl.php
index 41189f0..b8af0f1 100644
--- a/src/Purl.php
+++ b/src/Purl.php
@@ -1,5 +1,10 @@
 <?php
 
+/**
+ * Don't do anything if cURL is available.
+ */
+if (!function_exists('curl_init'))
+{
 /**
  * Load cUrl constants and functions definitions 
  */
@@ -319,4 +324,6 @@ private function _errorHandler()
             $this->_errorno = 100;                         
         }
     }
-}
\ No newline at end of file
+}
+
+}  // !function_exists('curl_init')