diff --git a/src/blackgui/components/configurationwizard.cpp b/src/blackgui/components/configurationwizard.cpp
index 873d37165..e2f22e9be 100644
--- a/src/blackgui/components/configurationwizard.cpp
+++ b/src/blackgui/components/configurationwizard.cpp
@@ -62,6 +62,8 @@ namespace BlackGui
                 if (!sGui || sGui->isShuttingDown()) { return; }
                 sGui->showHelp(this);
             });
+
+            this->setScreenGeometry();
         }
 
         CConfigurationWizard::~CConfigurationWizard()
@@ -126,5 +128,23 @@ namespace BlackGui
             if (CMathUtils::epsilonEqual(parent->windowOpacity(), opacity)) { return; }
             parent->setWindowOpacity(opacity);
         }
+
+        void CConfigurationWizard::setScreenGeometry()
+        {
+            if (!sGui) { return; }
+            const QRect g = CGuiApplication::currentScreenGeometry();
+
+            // 1280/720 on 4k hires
+            // 1920/1280 on non hires 1920 displays
+            const int gw = g.width();
+            const int gh = g.height();
+            const int calcW = qRound(gw * 0.8);
+            const int calcH = qRound(gh * 0.9); // normally critical as buttons are hidden
+
+            // do not get too huge
+            const int w = qMin(900, calcW);
+            const int h = qMin(750, calcH);
+            this->resize(w, h);
+        }
     } // ns
 } // ns
diff --git a/src/blackgui/components/configurationwizard.h b/src/blackgui/components/configurationwizard.h
index 90d931331..734a92b69 100644
--- a/src/blackgui/components/configurationwizard.h
+++ b/src/blackgui/components/configurationwizard.h
@@ -71,6 +71,9 @@ namespace BlackGui
             //! Set the parent's window opacity
             void setParentOpacity(qreal opacity);
 
+            //! Set screen geometry based on screen resolution
+            void setScreenGeometry();
+
             QScopedPointer<Ui::CConfigurationWizard> ui;
             int m_previousId = -1;
             int m_minId = -1;