diff --git a/src/plugins/designer/cpp/formclasswizarddialog.cpp b/src/plugins/designer/cpp/formclasswizarddialog.cpp
index afd5a3ebc50780f62d49f9ca57d8568ffd0d9c60..9f8924b872c3a75d0ed6288aa098ff2ee2eebb34 100644
--- a/src/plugins/designer/cpp/formclasswizarddialog.cpp
+++ b/src/plugins/designer/cpp/formclasswizarddialog.cpp
@@ -72,7 +72,7 @@ bool FormClassWizardDialog::validateCurrentPage()
 
 void FormClassWizardDialog::initializePage(int id)
 {
-    QWizard::initializePage(id);
+    Core::BaseFileWizard::initializePage(id);
     // Switching from form to class page: store XML template and set a suitable
     // class name in the class page based on the form base class
     if (id == ClassPageId) {