diff --git a/system/libraries/Migration.php b/system/libraries/Migration.php
index c786703..5d637d4 100644
--- a/system/libraries/Migration.php
+++ b/system/libraries/Migration.php
@@ -285,7 +285,7 @@
 		if ( ! $migrations = $this->find_migrations())
 		{
 			$this->_error_string = $this->lang->line('migration_none_found');
-			return false;
+			return FALSE;
 		}
 
 		$last_migration = basename(end($migrations));
diff --git a/system/libraries/Xmlrpcs.php b/system/libraries/Xmlrpcs.php
index e81f2ca..5d01d37 100644
--- a/system/libraries/Xmlrpcs.php
+++ b/system/libraries/Xmlrpcs.php
@@ -230,7 +230,7 @@
 						);
 
 		xml_set_object($parser, $parser_object);
-		xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
+		xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, TRUE);
 		xml_set_element_handler($parser, 'open_tag', 'closing_tag');
 		xml_set_character_data_handler($parser, 'character_data');
 		//xml_set_default_handler($parser, 'default_handler');