diff --git a/system/libraries/Driver.php b/system/libraries/Driver.php
index 9a56013..1bc365c 100644
--- a/system/libraries/Driver.php
+++ b/system/libraries/Driver.php
@@ -290,7 +290,7 @@
 
 		$trace = debug_backtrace();
 		_exception_handler(E_ERROR, "No such method '{$method}'", $trace[1]['file'], $trace[1]['line']);
-		exit(EXIT_UNK_MEMBER);
+		exit(EXIT_UNKNOWN_METHOD);
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/libraries/Xmlrpcs.php b/system/libraries/Xmlrpcs.php
index e150c13..a6048cb 100644
--- a/system/libraries/Xmlrpcs.php
+++ b/system/libraries/Xmlrpcs.php
@@ -171,7 +171,7 @@
 		header('Content-Type: text/xml');
 		header('Content-Length: '.strlen($payload));
 		echo $payload;
-		exit(EXIT_SUCCESS);
+		exit;
 	}
 
 	// --------------------------------------------------------------------