diff --git a/parts/mdl/vulkanwindow.cpp b/parts/mdl/vulkanwindow.cpp
index 251e932..363fa32 100644
--- a/parts/mdl/vulkanwindow.cpp
+++ b/parts/mdl/vulkanwindow.cpp
@@ -102,7 +102,7 @@ void VulkanWindow::render()
     ImGui::SetCurrentContext(m_renderer->ctx);
 
     auto &io = ImGui::GetIO();
-    io.DisplaySize = ImVec2(width(), height());
+    io.DisplaySize = ImVec2(width() * screen()->devicePixelRatio(), height() * screen()->devicePixelRatio());
 
     ImGui::NewFrame();