diff --git a/src/flamegraph.cpp b/src/flamegraph.cpp
index 4ef41685..30e780e0 100644
--- a/src/flamegraph.cpp
+++ b/src/flamegraph.cpp
@@ -157,23 +157,24 @@ void FrameGraphicsItem::paint(QPainter* painter, const QStyleOptionGraphicsItem*
             QColor::fromHsv((color.hue() + 120) % 360, color.saturation(), color.value(), color.alpha());
 
         if (cost() > secondaryCost()) {
-            const auto width = rect().width() * static_cast<float>(secondaryCost()) / (cost() + secondaryCost());
+            const auto width = rect().width() * static_cast<float>(secondaryCost()) / (cost());
             auto mainRect = rect();
-            mainRect.setWidth(rect().width() - width);
+            mainRect.setHeight(mainRect.height() / 2);
             painter->fillRect(mainRect, color);
             auto secondaryRect = rect();
             secondaryRect.setWidth(width);
-            secondaryRect.moveRight(rect().right());
+            secondaryRect.setHeight(mainRect.height());
+            secondaryRect.moveBottom(rect().bottom());
             painter->fillRect(secondaryRect, secondaryColor);
         } else {
-            const auto width = rect().width() * static_cast<float>(cost()) / (secondaryCost() + cost());
+            const auto width = rect().width() * static_cast<float>(cost()) / (secondaryCost());
             auto mainRect = rect();
-            //             mainRect.setWidth(rect().width() - width);
-            mainRect.moveRight(rect().right());
+            mainRect.setWidth(width);
+            mainRect.setHeight(mainRect.height() / 2);
             painter->fillRect(mainRect, color);
             auto secondaryRect = rect();
-            secondaryRect.setWidth(width);
-            secondaryRect.moveRight(rect().right());
+            secondaryRect.setHeight(mainRect.height());
+            secondaryRect.moveBottom(rect().bottom());
 
             painter->fillRect(secondaryRect, secondaryColor);
         }