diff --git a/snappymail/v/0.0.0/app/libraries/RainLoop/ServiceActions.php b/snappymail/v/0.0.0/app/libraries/RainLoop/ServiceActions.php
index 9b0ee7e23..e46b95375 100644
--- a/snappymail/v/0.0.0/app/libraries/RainLoop/ServiceActions.php
+++ b/snappymail/v/0.0.0/app/libraries/RainLoop/ServiceActions.php
@@ -279,7 +279,10 @@ class ServiceActions
 	public function ServiceProxyExternal() : string
 	{
 		$sData = empty($this->aPaths[1]) ? '' : $this->aPaths[1];
-		if ($sData && $this->Config()->Get('labs', 'use_local_proxy_for_external_images', false)) {
+		if ($sData
+		  && $this->Config()->Get('labs', 'use_local_proxy_for_external_images', false)
+		  && $this->oActions->getAccountFromToken()
+		) {
 			$this->oActions->verifyCacheByKey($sData);
 			$sUrl = \MailSo\Base\Utils::UrlSafeBase64Decode($sData);
 			if (!empty($sUrl)) {