diff --git a/lang/en_utf8/langconfig.php b/lang/en_utf8/langconfig.php
index d5f3d9f5c12..54d393eb176 100644
--- a/lang/en_utf8/langconfig.php
+++ b/lang/en_utf8/langconfig.php
@@ -26,5 +26,6 @@ $string['strftimetime'] = '%%I:%%M %%p';
 $string['thischarset'] = 'UTF-8';
 $string['thisdirection'] = 'ltr';
 $string['thislanguage'] = 'English';
+$string['thousandssep'] = ','; // thousands separator, for some languages it is '.' or ' '
 
 ?>