diff --git a/Videos/cortex_20260619_085333.mp4 b/Videos/cortex_20260619_085333.mp4
new file mode 100644
index 0000000..862f496
Binary files /dev/null and b/Videos/cortex_20260619_085333.mp4 differ
diff --git a/src/Engine.Graphics.Vulkan/VulkanImGui.cs b/src/Engine.Graphics.Vulkan/VulkanImGui.cs
index 9282537..fe8f6cf 100644
--- a/src/Engine.Graphics.Vulkan/VulkanImGui.cs
+++ b/src/Engine.Graphics.Vulkan/VulkanImGui.cs
@@ -120,7 +120,7 @@ internal sealed unsafe class VulkanImGui : IDisposable
         var cmd = BeginOneTimeCommands();
         TransitionImageLayoutCmd(cmd, _fontImage,
             VkImageLayout.Undefined, VkImageLayout.TransferDstOptimal,
-            0, 0, 0x1000, 0x2000);
+            0, 0, 0x1000, 0x1000);
 
         var region = new VkBufferImageCopyRegion
         {
@@ -141,7 +141,7 @@ internal sealed unsafe class VulkanImGui : IDisposable
 
         TransitionImageLayoutCmd(cmd, _fontImage,
             VkImageLayout.TransferDstOptimal, VkImageLayout.ShaderReadOnlyOptimal,
-            0x1000, 0x2000, 0x8, 0x20);
+            0x1000, 0x1000, 0x8, 0x20);
 
         EndOneTimeCommands(cmd);