diff --git a/src/plugins/qtsupport/baseqtversion.h b/src/plugins/qtsupport/baseqtversion.h
index e71f9b3a071..152415a8dfc 100644
--- a/src/plugins/qtsupport/baseqtversion.h
+++ b/src/plugins/qtsupport/baseqtversion.h
@@ -189,10 +189,10 @@ public:
     ///         warnings and finally info items.
     QList<ProjectExplorer::Task> reportIssues(const QString &proFile, const QString &buildDir) const;
 
-    static bool isQmlDebuggingSupported(ProjectExplorer::Kit *k, QString *reason = 0);
-    bool isQmlDebuggingSupported(QString *reason = 0) const;
-    static bool isQtQuickCompilerSupported(ProjectExplorer::Kit *k, QString *reason = 0);
-    bool isQtQuickCompilerSupported(QString *reason = 0) const;
+    static bool isQmlDebuggingSupported(ProjectExplorer::Kit *k, QString *reason = nullptr);
+    bool isQmlDebuggingSupported(QString *reason = nullptr) const;
+    static bool isQtQuickCompilerSupported(ProjectExplorer::Kit *k, QString *reason = nullptr);
+    bool isQtQuickCompilerSupported(QString *reason = nullptr) const;
 
     virtual QString qmlDumpTool(bool debugVersion) const;