diff --git a/src/gui/nmcgui/nmcfolderwizardsourcepage.cpp b/src/gui/nmcgui/nmcfolderwizardsourcepage.cpp
index bd45e2c3a7b03..e4d89c19b8cb9 100644
--- a/src/gui/nmcgui/nmcfolderwizardsourcepage.cpp
+++ b/src/gui/nmcgui/nmcfolderwizardsourcepage.cpp
@@ -13,14 +13,16 @@
  */
 
 #include "nmcfolderwizardsourcepage.h"
+#include "ui_folderwizardsourcepage.h"
 #include "theme.h"
 
 namespace OCC {
 
-OCC::NMCFolderWizardSourcePage::NMCFolderWizardSourcePage() 
-    : Ui::FolderWizardSourcePage()
+OCC::NMCFolderWizardSourcePage::NMCFolderWizardSourcePage(QWidget *parent)
+    : QWidget(parent)
 {
-
+    Ui::FolderWizardSourcePage ui;
+    ui.setupUi(this);
 }
 
 void NMCFolderWizardSourcePage::setDefaultSettings()
diff --git a/src/gui/nmcgui/nmcfolderwizardtargetpage.cpp b/src/gui/nmcgui/nmcfolderwizardtargetpage.cpp
index 36aa7e1df3332..0db06493cdfed 100644
--- a/src/gui/nmcgui/nmcfolderwizardtargetpage.cpp
+++ b/src/gui/nmcgui/nmcfolderwizardtargetpage.cpp
@@ -12,15 +12,17 @@
  * for more details.
  */
 #include "nmcfolderwizardtargetpage.h"
+#include "ui_folderwizardtargetpage.h"
 #include "theme.h"
 
 
 namespace OCC {
 
-OCC::NMCFolderWizardTargetPage::NMCFolderWizardTargetPage() 
-    : Ui::FolderWizardTargetPage()
+OCC::NMCFolderWizardTargetPage::NMCFolderWizardTargetPage(QWidget *parent)
+    : QWidget(parent)  // Basis-Klasse anstelle von Ui-Klasse
 {
-
+    Ui::FolderWizardTargetPage ui;
+    ui.setupUi(this);
 }
 
 void NMCFolderWizardTargetPage::setDefaultSettings()