diff --git a/request-tracker/templates/RT_SiteConfig.d/50-debconf.pm.j2 b/request-tracker/templates/RT_SiteConfig.d/50-debconf.pm.j2
index 993a34338ea00c76d8899120ece826d79adf4e62..8599a70d258dc2b2526ccbf308ff4a81dee508f8 100644
--- a/request-tracker/templates/RT_SiteConfig.d/50-debconf.pm.j2
+++ b/request-tracker/templates/RT_SiteConfig.d/50-debconf.pm.j2
@@ -17,6 +17,7 @@ Set($CanonicalizeURLsInFeeds, 1);
 Set($WebPort, '443');
 Set($WebPath , "");
 Set($WebBaseURL , 'https://{{rt_webdomain}}');
+Set($WebSecureCookies, 1);
 
 ### Addresses
 Set($CorrespondAddress, '{{rt_correspondaddress}}');