diff --git a/src/Oauth2/Client/Client.php b/src/Oauth2/Client/Client.php
index bb91eb29..9b4ea2e3 100755
--- a/src/Oauth2/Client/Client.php
+++ b/src/Oauth2/Client/Client.php
@@ -25,7 +25,17 @@ class Provider
 	{
 		$name = ucfirst(strtolower($name));
 
-		require_once 'Provider/'.$name.'.php';
+		$fileName = 'Provider/'.$name.'.php';
+
+		if (file_exists($fileName)) {
+
+			require_once $fileName;
+
+		} else {
+
+			throw new Exception('There is no provider configuration file for '.$name);
+
+		}
 
 		return new $name($options);
 	}