diff --git a/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.cpp b/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.cpp
index 1ed9122f33e..a207e1863ca 100644
--- a/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.cpp
+++ b/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.cpp
@@ -267,6 +267,16 @@ bool JsonFieldPage::Field::hasSpan()
     return d->m_hasSpan;
 }
 
+QVariant JsonFieldPage::value(const QString &key)
+{
+    QVariant v = property(key.toUtf8());
+    if (v.isValid())
+        return v;
+    auto w = qobject_cast<JsonWizard *>(wizard());
+    QTC_ASSERT(w, return QVariant());
+    return w->value(key);
+}
+
 QWidget *JsonFieldPage::Field::widget() const
 {
     return d->m_widget;
diff --git a/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.h b/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.h
index 62c3556996e..b9eb6692a14 100644
--- a/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.h
+++ b/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.h
@@ -125,6 +125,8 @@ public:
 
     Utils::MacroExpander *expander();
 
+    QVariant value(const QString &key);
+
 private:
     static QHash<QString, FieldFactory> m_factories;