diff --git a/phpBB/includes/acp/acp_styles.php b/phpBB/includes/acp/acp_styles.php
index a8abfdba5f..c4c1c85793 100644
--- a/phpBB/includes/acp/acp_styles.php
+++ b/phpBB/includes/acp/acp_styles.php
@@ -978,7 +978,7 @@ pagination_sep = \'{PAGINATION_SEP}\'
 		foreach ($classes as $class)
 		{
 			$selected = ($class == $edit_class) ? ' selected="selected"' : '';
-			$s_classes .= '<option value="' . $class . '" title="' . $class . '"' . $selected . '>' . truncate_string($class, 40, false, "...") . '</option>';
+			$s_classes .= '<option value="' . $class . '" title="' . $class . '"' . $selected . '>' . truncate_string($class, 40, false, '...') . '</option>';
 		}
 
 		$template->assign_vars(array(
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index 59c3d240ce..614b5bbc64 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -686,7 +686,7 @@ function tz_select($default = '', $truncate = false)
 	{
 		if ($truncate)
 		{
-			$zone_trunc = truncate_string($zone, 50, false, "...");
+			$zone_trunc = truncate_string($zone, 50, false, '...');
 		} 
 		else
 		{