diff --git a/src/calamares/CalamaresWindow.cpp b/src/calamares/CalamaresWindow.cpp
index 7b0666af3..b6a34083c 100644
--- a/src/calamares/CalamaresWindow.cpp
+++ b/src/calamares/CalamaresWindow.cpp
@@ -14,7 +14,9 @@
 #include "CalamaresWindow.h"
 
 #include "Branding.h"
+#include "CalamaresAbout.h"
 #include "CalamaresConfig.h"
+#include "CalamaresVersion.h"
 #include "DebugWindow.h"
 #include "Settings.h"
 #include "ViewManager.h"
@@ -23,6 +25,7 @@
 #include "utils/Logger.h"
 #include "utils/Qml.h"
 #include "utils/Retranslator.h"
+#include "widgets/TranslationFix.h"
 
 #include <QApplication>
 #include <QBoxLayout>
@@ -31,6 +34,7 @@
 #include <QFile>
 #include <QFileInfo>
 #include <QLabel>
+#include <QMessageBox>
 #ifdef WITH_QML
 #include <QQmlContext>
 #include <QQmlEngine>
@@ -87,6 +91,30 @@ setButtonIcon( QPushButton* button, const QString& name )
     }
 }
 
+static void
+showAboutBox()
+{
+    QString title = Calamares::Settings::instance()->isSetupMode()
+        ? QCoreApplication::translate( "WelcomePage", "About %1 setup" )
+        : QCoreApplication::translate( "WelcomePage", "About %1 installer" );
+    QMessageBox mb( QMessageBox::Information,
+                    title.arg( CALAMARES_APPLICATION_NAME ),
+                    Calamares::aboutString().arg( Calamares::Branding::instance()->versionedName() ),
+                    QMessageBox::Ok,
+                    nullptr );
+    Calamares::fixButtonLabels( &mb );
+    mb.setIconPixmap( CalamaresUtils::defaultPixmap(
+        CalamaresUtils::Squid,
+        CalamaresUtils::Original,
+        QSize( CalamaresUtils::defaultFontHeight() * 6, CalamaresUtils::defaultFontHeight() * 6 ) ) );
+    QGridLayout* layout = reinterpret_cast< QGridLayout* >( mb.layout() );
+    if ( layout )
+    {
+        layout->setColumnMinimumWidth( 2, CalamaresUtils::defaultFontHeight() * 24 );
+    }
+    mb.exec();
+}
+
 static QWidget*
 getWidgetSidebar( Calamares::DebugWindowManager* debug,
                   Calamares::ViewManager* viewManager,
@@ -149,7 +177,7 @@ getWidgetSidebar( Calamares::DebugWindowManager* debug,
         extraButtons->addWidget( aboutDialog );
         aboutDialog->setFlat( true );
         aboutDialog->setCheckable( true );
-        QObject::connect( aboutDialog, &QPushButton::clicked, debug, &Calamares::DebugWindowManager::show );
+        QObject::connect( aboutDialog, &QPushButton::clicked, []() { showAboutBox(); } );
     }
     if ( debug && debug->enabled() )
     {
diff --git a/src/modules/welcome/WelcomePage.cpp b/src/modules/welcome/WelcomePage.cpp
index 5b26434a1..597317069 100644
--- a/src/modules/welcome/WelcomePage.cpp
+++ b/src/modules/welcome/WelcomePage.cpp
@@ -27,7 +27,6 @@
 #include "utils/Logger.h"
 #include "utils/NamedEnum.h"
 #include "utils/Retranslator.h"
-#include "widgets/TranslationFix.h"
 
 #include <QApplication>
 #include <QBoxLayout>
@@ -48,8 +47,6 @@ WelcomePage::WelcomePage( Config* config, QWidget* parent )
 
     const int defaultFontHeight = CalamaresUtils::defaultFontHeight();
     ui->setupUi( this );
-    ui->aboutButton->setIcon( CalamaresUtils::defaultPixmap(
-        CalamaresUtils::Information, CalamaresUtils::Original, 2 * QSize( defaultFontHeight, defaultFontHeight ) ) );
 
     // insert system-check widget below welcome text
     const int welcome_text_idx = ui->verticalLayout->indexOf( ui->mainText );
@@ -78,7 +75,6 @@ WelcomePage::WelcomePage( Config* config, QWidget* parent )
 
     CALAMARES_RETRANSLATE_SLOT( &WelcomePage::retranslate );
 
-    connect( ui->aboutButton, &QPushButton::clicked, this, &WelcomePage::showAboutBox );
     connect( Calamares::ModuleManager::instance(),
              &Calamares::ModuleManager::requirementsComplete,
              m_checkingWidget,
@@ -216,30 +212,6 @@ WelcomePage::retranslate()
     ui->supportButton->setText( tr( "%1 support" ).arg( Calamares::Branding::instance()->shortProductName() ) );
 }
 
-void
-WelcomePage::showAboutBox()
-{
-    QString title
-        = Calamares::Settings::instance()->isSetupMode() ? tr( "About %1 setup" ) : tr( "About %1 installer" );
-    QMessageBox mb( QMessageBox::Information,
-                    title.arg( CALAMARES_APPLICATION_NAME ),
-                    m_conf->aboutMessage().arg( Calamares::Branding::instance()->versionedName() ),
-                    QMessageBox::Ok,
-                    this );
-    Calamares::fixButtonLabels( &mb );
-    mb.setIconPixmap( CalamaresUtils::defaultPixmap(
-        CalamaresUtils::Squid,
-        CalamaresUtils::Original,
-        QSize( CalamaresUtils::defaultFontHeight() * 6, CalamaresUtils::defaultFontHeight() * 6 ) ) );
-    QGridLayout* layout = reinterpret_cast< QGridLayout* >( mb.layout() );
-    if ( layout )
-    {
-        layout->setColumnMinimumWidth( 2, CalamaresUtils::defaultFontHeight() * 24 );
-    }
-    mb.exec();
-}
-
-
 void
 LocaleTwoColumnDelegate::paint( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index ) const
 {
diff --git a/src/modules/welcome/WelcomePage.h b/src/modules/welcome/WelcomePage.h
index dba1f6a28..d5741240d 100644
--- a/src/modules/welcome/WelcomePage.h
+++ b/src/modules/welcome/WelcomePage.h
@@ -53,7 +53,6 @@ public:
 
 public slots:
     void retranslate();
-    void showAboutBox();
 
 protected:
     void focusInEvent( QFocusEvent* e ) override;  //choose the child widget to focus