diff --git a/src/modules/netinstall/NetInstallPage.h b/src/modules/netinstall/NetInstallPage.h
index 5f818b039..584a59798 100644
--- a/src/modules/netinstall/NetInstallPage.h
+++ b/src/modules/netinstall/NetInstallPage.h
@@ -57,7 +57,7 @@ class NetInstallPage : public QWidget
     };
 
 public:
-    NetInstallPage( QWidget* parent = 0 );
+    NetInstallPage( QWidget* parent = nullptr );
     void onActivate();
 
     bool isReady();
diff --git a/src/modules/netinstall/widgets/groupselectionwidget.h b/src/modules/netinstall/widgets/groupselectionwidget.h
index fc3b27fad..a003f4833 100644
--- a/src/modules/netinstall/widgets/groupselectionwidget.h
+++ b/src/modules/netinstall/widgets/groupselectionwidget.h
@@ -29,7 +29,7 @@ class GroupSelectionWidget : public QWidget
 {
     Q_OBJECT
 public:
-    explicit GroupSelectionWidget( QString name, QString description, QStringList packages, QWidget* parent = 0 );
+    explicit GroupSelectionWidget( QString name, QString description, QStringList packages, QWidget* parent = nullptr );
 
     // Current status of the group: is it selected in the view?
     bool isToggled() const;