diff --git a/koha-tmpl/opac-tmpl/css/en/opac-main.tmpl b/koha-tmpl/opac-tmpl/css/en/opac-main.tmpl
index 3c30e251c9..2e3e1b6ae7 100644
--- a/koha-tmpl/opac-tmpl/css/en/opac-main.tmpl
+++ b/koha-tmpl/opac-tmpl/css/en/opac-main.tmpl
@@ -8,6 +8,7 @@
 	<!-- TMPL_ELSE -->
 		<link rel="stylesheet" type="text/css" href="<!-- TMPL_VAR name="themelang"-->/includes/opac.css" />
 	<!-- /TMPL_IF -->
+	<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
 	<title><!--TMPL_VAR name="LibraryName"--></title>
 </head>