diff --git a/src/node/utils/Settings.ts b/src/node/utils/Settings.ts
index 3936cf4e1..d798e10bf 100644
--- a/src/node/utils/Settings.ts
+++ b/src/node/utils/Settings.ts
@@ -837,7 +837,7 @@ exports.reloadSettings = () => {
         exports.skinName = 'colibris';
     }
 
-    if (!exports.socketTransportProtocols.includes("websocket") || exports.socketTransportProtocols.includes("polling")) {
+    if (!exports.socketTransportProtocols.includes("websocket") || !exports.socketTransportProtocols.includes("polling")) {
         logger.warn("Invalid socketTransportProtocols setting. Please check out settings.json.template and update your settings.json. Falling back to the default ['websocket', 'polling'].");
         exports.socketTransportProtocols = ['websocket', 'polling'];
     }