diff --git a/src/gui/nmcgui/nmcfolderwizardsourcepage.h b/src/gui/nmcgui/nmcfolderwizardsourcepage.h
index 860bd2ce3289a..05eb46620b011 100644
--- a/src/gui/nmcgui/nmcfolderwizardsourcepage.h
+++ b/src/gui/nmcgui/nmcfolderwizardsourcepage.h
@@ -34,7 +34,7 @@ class NMCFolderWizardSourcePage : public ::Ui::FolderWizardSourcePage
     /**
      * @brief Constructs an instance of NMCFolderWizardSourcePage.
      */
-    explicit NMCFolderWizardSourcePage();
+    explicit NMCFolderWizardSourcePage(QWidget *parent = nullptr);
 
     /**
      * @brief Destroys the NMCFolderWizardSourcePage instance.
diff --git a/src/gui/nmcgui/nmcfolderwizardtargetpage.h b/src/gui/nmcgui/nmcfolderwizardtargetpage.h
index 1fd51ca9a8bc7..5551f0f1bf6b6 100644
--- a/src/gui/nmcgui/nmcfolderwizardtargetpage.h
+++ b/src/gui/nmcgui/nmcfolderwizardtargetpage.h
@@ -34,7 +34,7 @@ class NMCFolderWizardTargetPage : public ::Ui::FolderWizardTargetPage
     /**
      * @brief Constructs an instance of NMCFolderWizardTargetPage.
      */
-    explicit NMCFolderWizardTargetPage();
+    explicit NMCFolderWizardTargetPage(QWidget *parent = nullptr);
 
     /**
      * @brief Destroys the NMCFolderWizardTargetPage instance.