diff --git a/controller/Session.class.php b/controller/Session.class.php
index d53b0359..7dcb98fe 100644
--- a/controller/Session.class.php
+++ b/controller/Session.class.php
@@ -36,15 +36,17 @@ class Session
 
         Response::addPostRenderCallback(function () {
             $ga_cid = filter_input(INPUT_COOKIE, 'ga_cid');
-            $site_visitor_id = key_exists(static::USER_ID, $_SESSION) ? $_SESSION[static::USER_ID] : $ga_cid;
-            $site_visitor_id = isset($ga_cid) ? $ga_cid : $site_visitor_id;
-            $response = LBRY::logWebVisitor(static::SITE_ID, $site_visitor_id, static::getClientIP());
-            if (!is_null($response)
-                && key_exists('data', $response)
-                && key_exists('visitor_id', $response['data'])) {
-                $_SESSION[static::USER_ID] = $response['data']['visitor_id'];
-            } else {
-                $_SESSION[static::USER_ID] = '';
+            if (isset($ga_cid)) {
+                $site_visitor_id = key_exists(static::USER_ID, $_SESSION) ? $_SESSION[static::USER_ID] : $ga_cid;
+                $site_visitor_id = isset($ga_cid) ? $ga_cid : $site_visitor_id;
+                $response = LBRY::logWebVisitor(static::SITE_ID, $site_visitor_id, static::getClientIP());
+                if (!is_null($response)
+                    && key_exists('data', $response)
+                    && key_exists('visitor_id', $response['data'])) {
+                    $_SESSION[static::USER_ID] = $response['data']['visitor_id'];
+                } else {
+                    $_SESSION[static::USER_ID] = '';
+                }
             }
         });