diff --git a/src/yaw-tab/ui.cpp b/src/yaw-tab/ui.cpp
index 7864c87..ee84d3d 100644
--- a/src/yaw-tab/ui.cpp
+++ b/src/yaw-tab/ui.cpp
@@ -32,7 +32,7 @@ void ButtonMappingWidget::onNanoDisplay()
 	beginPath();
 	strokeColor(200, 200, 200);
 	fillColor(0.5f, 0.5f, 0.5f, 0.5f * (isClicked + isPenPressed));
-	roundedRect(0.f, 0.f, size, size, 0.5f * size);
+	roundedRect(0.f, 0.f, size, size, 0.25f * size);
 	stroke();
 	fill();
 	closePath();
@@ -62,7 +62,8 @@ TabUI::TabUI()
 
 	if (!tab.initialized)
 		return;
-	// setGeometryConstraints(400, static_cast<uint>(300 * tabletAspectRatio), true, false);
+	float tabletAspectRatio = tab.ext.x ? tab.ext.y / tab.ext.x : 1.f;
+	setGeometryConstraints(400, static_cast<uint>(300 * tabletAspectRatio), true, false);
 }
 
 void TabUI::getTabletData()
@@ -143,8 +144,8 @@ bool TabUI::onMouse(const MouseEvent &ev)
 
 void TabUI::onResize(const ResizeEvent &ev)
 {
-	float x = ev.size.getWidth();
-	float y = ev.size.getHeight();
+	int x = static_cast<int>(ev.size.getWidth());
+	int y = static_cast<int>(ev.size.getHeight());
 	AButtonWidget.setAbsolutePos(x - 100, y - 100);
 	BButtonWidget.setAbsolutePos(x - 100, y - 200);
 	return UI::onResize(ev);