diff --git a/workflow/engine/bin/cron_single.php b/workflow/engine/bin/cron_single.php
index 66825e14a..85baab58c 100644
--- a/workflow/engine/bin/cron_single.php
+++ b/workflow/engine/bin/cron_single.php
@@ -160,7 +160,13 @@ try {
 
             define('SERVER_NAME', $SERVER_INFO['SERVER_NAME']);
             define('SERVER_PORT', $SERVER_INFO['SERVER_PORT']);
-            define('REQUEST_SCHEME', $SERVER_INFO['REQUEST_SCHEME']);
+            //to do improvement G::is_https()
+            if ((isset($SERVER_INFO['HTTPS']) && $SERVER_INFO['HTTPS'] == 'on') ||
+                    (isset($SERVER_INFO['HTTP_X_FORWARDED_PROTO']) && $SERVER_INFO['HTTP_X_FORWARDED_PROTO'] == 'https')) {
+                define('REQUEST_SCHEME', 'https');
+            } else {
+                define('REQUEST_SCHEME', $SERVER_INFO['REQUEST_SCHEME']);
+            }
         } else {
             eprintln('WARNING! No server info found!', 'red');
         }
diff --git a/workflow/engine/classes/model/AppDelegation.php b/workflow/engine/classes/model/AppDelegation.php
index 992f0ac40..39977faca 100644
--- a/workflow/engine/classes/model/AppDelegation.php
+++ b/workflow/engine/classes/model/AppDelegation.php
@@ -223,7 +223,6 @@ class AppDelegation extends BaseAppDelegation
             try {
                 $res = $this->save();
             } catch (PropelException $e) {
-                error_log($e->getMessage());
                 return;
             }
         } else {
diff --git a/workflow/engine/src/ProcessMaker/Core/System.php b/workflow/engine/src/ProcessMaker/Core/System.php
index d846a9cc5..ae37dea92 100644
--- a/workflow/engine/src/ProcessMaker/Core/System.php
+++ b/workflow/engine/src/ProcessMaker/Core/System.php
@@ -1578,7 +1578,7 @@ class System
     public static function getServerHost()
     {
         $port = self::getServerPort();
-        if (!empty($port) && $port != '80') {
+        if (!empty($port) && $port != '80' && $port != '443') {
             return self::getServerHostname() . ':' . $port;
         }
         return self::getServerHostname();