diff --git a/gpt4all-chat/chatgpt.cpp b/gpt4all-chat/chatgpt.cpp
index c68da5df..11b0be49 100644
--- a/gpt4all-chat/chatgpt.cpp
+++ b/gpt4all-chat/chatgpt.cpp
@@ -155,7 +155,7 @@ void ChatGPTWorker::request(const QString &apiKey,
     m_ctx = promptCtx;
 
     QUrl openaiUrl("https://api.openai.com/v1/chat/completions");
-    const QString authorization = QString("Bearer %1").arg(apiKey);
+    const QString authorization = QString("Bearer %1").arg(apiKey).trimmed();
     QNetworkRequest request(openaiUrl);
     request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
     request.setRawHeader("Authorization", authorization.toUtf8());