diff --git a/webenginepart/src/webenginepart.cpp b/webenginepart/src/webenginepart.cpp
--- a/webenginepart/src/webenginepart.cpp
+++ b/webenginepart/src/webenginepart.cpp
@@ -95,7 +95,7 @@
         prof->installUrlSchemeHandler("error", new WebEnginePartErrorSchemeHandler(prof));
         prof->installUrlSchemeHandler("help", new WebEnginePartKIOHandler(prof));
     }
-    static WebEnginePartCookieJar s_cookieJar(prof, prof);
+    static WebEnginePartCookieJar s_cookieJar(prof, nullptr);
     KAboutData about = KAboutData(QStringLiteral("webenginepart"),
                                   i18nc("Program Name", "WebEnginePart"),
                                   /*version*/ QStringLiteral("1.3.0"),