diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ec7e1e55b..f4d2f34d75 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# v1.7.39.2
+## 02/20/2023
+
+1. [](#bugfix)
+    * Fix for invalid session breaking Flex Accounts (when switching from Regular to Flex)
+
 # v1.7.39.1
 ## 02/20/2023
 
diff --git a/system/defines.php b/system/defines.php
index 2daf6ecebf..e26f1c9957 100644
--- a/system/defines.php
+++ b/system/defines.php
@@ -9,7 +9,7 @@
 
 // Some standard defines
 define('GRAV', true);
-define('GRAV_VERSION', '1.7.39.1');
+define('GRAV_VERSION', '1.7.39.2');
 define('GRAV_SCHEMA', '1.7.0_2020-11-20_1');
 define('GRAV_TESTING', false);
 
diff --git a/system/src/Grav/Framework/Session/Session.php b/system/src/Grav/Framework/Session/Session.php
index 0dd9aedce4..5524d44222 100644
--- a/system/src/Grav/Framework/Session/Session.php
+++ b/system/src/Grav/Framework/Session/Session.php
@@ -11,6 +11,7 @@
 
 use ArrayIterator;
 use Exception;
+use Throwable;
 use Grav\Common\Debugger;
 use Grav\Common\Grav;
 use Grav\Common\User\Interfaces\UserInterface;
@@ -254,13 +255,17 @@ public function start($readonly = false)
         $this->started = true;
         $this->onSessionStart();
 
-        $user = $this->__get('user');
-        if ($user && (!$user instanceof UserInterface || (method_exists($user, 'isValid') && !$user->isValid()))) {
+        try {
+            $user = $this->__get('user');
+            if ($user && (!$user instanceof UserInterface || (method_exists($user, 'isValid') && !$user->isValid()))) {
+                throw new RuntimeException('Bad user');
+            }
+        } catch (Throwable $e) {
             $this->invalidate();
-
             throw new SessionException('Invalid User object, session destroyed.', 500);
         }
 
+
         // Extend the lifetime of the session.
         if ($sessionExists) {
             $this->setCookie();