diff --git a/system/helpers/text_helper.php b/system/helpers/text_helper.php
index 99f521f..6644089 100644
--- a/system/helpers/text_helper.php
+++ b/system/helpers/text_helper.php
@@ -366,18 +366,13 @@
 {
 	function convert_accented_characters($str)
 	{
-		if ( ! file_exists(APPPATH.'config/foreign_chars'.EXT) AND ! file_exists(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars'.EXT))
+		if (is_file(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars'.EXT))
 		{
-			return $str;
+			include(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars'.EXT);
 		}
-
-		if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars'.EXT))
+		elseif (is_file(APPPATH.'config/foreign_chars'.EXT))
 		{
-			include APPPATH.'config/'.ENVIRONMENT.'/foreign_chars'.EXT;
-		}
-		else
-		{
-			include APPPATH.'config/foreign_chars'.EXT;
+			include(APPPATH.'config/foreign_chars'.EXT);
 		}
 
 		if ( ! isset($foreign_characters))