diff --git a/interface/web/admin/templates/server_config_mail_edit.htm b/interface/web/admin/templates/server_config_mail_edit.htm
index d6ebf1fd4d67db5c5aed27260ad7b47d6ac1de5a..2496fdcc0a53161ea15686c99e48f5d167719608 100644
--- a/interface/web/admin/templates/server_config_mail_edit.htm
+++ b/interface/web/admin/templates/server_config_mail_edit.htm
@@ -69,7 +69,7 @@
 			</div>
       <div class="ctrlHolder">
       	<label for="message_size_limit">{tmpl_var name='message_size_limit_txt'}</label>
-        <input name="message_size_limit" id="message_size_limit" value="{tmpl_var name='message_size_limit'}" size="10" maxlength="15" type="text" class="textInput formLengthLimit" />&mbsp;MB
+        <input name="message_size_limit" id="message_size_limit" value="{tmpl_var name='message_size_limit'}" size="10" maxlength="15" type="text" class="textInput formLengthLimit" />&nbsp;MB
 			</div>
     </fieldset>