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-rw-r--r--program/include/rcmail_output_html.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/program/include/rcmail_output_html.php b/program/include/rcmail_output_html.php
index 29a86b9f7..656da6bc9 100644
--- a/program/include/rcmail_output_html.php
+++ b/program/include/rcmail_output_html.php
@@ -72,7 +72,7 @@ class rcmail_output_html extends rcmail_output
// add cookie info
$this->set_env('cookie_domain', ini_get('session.cookie_domain'));
$this->set_env('cookie_path', ini_get('session.cookie_path'));
- $this->set_env('cookie_secure', ini_get('session.cookie_secure'));
+ $this->set_env('cookie_secure', filter_var(ini_get('session.cookie_secure'), FILTER_VALIDATE_BOOLEAN));
// load the correct skin (in case user-defined)
$skin = $this->config->get('skin');