diff --git a/themes/accessible/template.php b/themes/accessible/template.php
index dd482e62c9..3898c426f9 100644
--- a/themes/accessible/template.php
+++ b/themes/accessible/template.php
@@ -15,7 +15,7 @@
 <title><!--{title}--></title>
 <!--{head}-->
 <link rel="icon" href="<!--{project_path}-->/favicon.ico">
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <style type='text/css'>
 
 img {
diff --git a/themes/classic/template.php b/themes/classic/template.php
index f37c08ab85..73e5d0b309 100644
--- a/themes/classic/template.php
+++ b/themes/classic/template.php
@@ -15,7 +15,7 @@
 <title><!--{title}--></title>
 <!--{head}-->
 <link rel="icon" href="<!--{project_path}-->/favicon.ico">
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <style type='text/css'>
 
 img {
diff --git a/themes/default/template.php b/themes/default/template.php
index e090e654fd..888469bb6e 100644
--- a/themes/default/template.php
+++ b/themes/default/template.php
@@ -29,7 +29,7 @@
 	}
 ?>
 <link rel="icon" href="<!--{project_path}-->/favicon.ico">
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <style type='text/css'>
 
 img {
diff --git a/themes/enhanced/template.php b/themes/enhanced/template.php
index 99ea0c20db..bd4f528b44 100644
--- a/themes/enhanced/template.php
+++ b/themes/enhanced/template.php
@@ -35,7 +35,7 @@
 	}
 ?>
 <link rel="icon" href="<!--{project_path}-->/favicon.ico">
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <style type='text/css'>
 
 img {