diff --git a/src/Cloud/OAuthDialog.cpp b/src/Cloud/OAuthDialog.cpp
index 9741164c0..6fcb8ccb1 100644
--- a/src/Cloud/OAuthDialog.cpp
+++ b/src/Cloud/OAuthDialog.cpp
@@ -79,6 +79,7 @@ OAuthDialog::OAuthDialog(Context *context, OAuthSite site, CloudService *service
     #if defined(NOWEBKIT) || (QT_VERSION > 0x050000 && defined(Q_OS_MAC))
     view = new QWebEngineView();
     view->setZoomFactor(dpiXFactor);
+    view->page()->profile()->cookieStore()->deleteAllCookies();
     #else
     view = new QWebView();
     #endif
diff --git a/src/Cloud/OAuthDialog.h b/src/Cloud/OAuthDialog.h
index 426f8b8cc..d94756286 100644
--- a/src/Cloud/OAuthDialog.h
+++ b/src/Cloud/OAuthDialog.h
@@ -46,6 +46,8 @@
 #include <QWebEngineHistoryItem>
 #include <QWebEnginePage>
 #include <QWebEngineView>
+#include <QWebEngineProfile>
+#include <QWebEngineCookieStore>
 #endif