diff --git a/src/GUI/IntelliPhotoGui.cpp b/src/GUI/IntelliPhotoGui.cpp
index e1b3fd4..787c9a8 100644
--- a/src/GUI/IntelliPhotoGui.cpp
+++ b/src/GUI/IntelliPhotoGui.cpp
@@ -7,6 +7,8 @@
 #include <QCloseEvent>
 #include <QDebug>
 #include <string>
+#include <QScreen>
+#include <QGuiApplication>
 
 // IntelliPhotoGui constructor
 IntelliPhotoGui::IntelliPhotoGui(){
@@ -689,6 +691,11 @@ void IntelliPhotoGui::createGui(){
 		paintingArea = new PaintingArea(1280, 720);
 		paintingArea->guiReference = this;
 
+        QScreen *screen = QGuiApplication::primaryScreen();
+        QRect  screenGeometry = screen->geometry();
+        Buttonsize.setWidth(screenGeometry.width()/10);
+        Buttonsize.setHeight(screenGeometry.height()/10);
+
 		preview = QPixmap(":/Icons/Buttons/icons/circle-tool.svg");
 		CircleButton = new QPushButton();
 		CircleButton->setFixedSize(Buttonsize);
diff --git a/src/GUI/IntelliPhotoGui.h b/src/GUI/IntelliPhotoGui.h
index 25f6145..aeb2ede 100644
--- a/src/GUI/IntelliPhotoGui.h
+++ b/src/GUI/IntelliPhotoGui.h
@@ -124,7 +124,7 @@ PaintingArea* paintingArea;
 QPixmap preview;
 
 //size of all buttons
-const QSize Buttonsize = QSize(35,35);
+QSize Buttonsize;
 
 //buttons used for gui
 QPushButton* CircleButton;