diff --git a/vulkan.d b/vulkan.d
index da645d2..9ea74a1 100644
--- a/vulkan.d
+++ b/vulkan.d
@@ -860,9 +860,9 @@ Draw(Vulkan* vk, u32 index_count, u32 instance_count)
 }
 
 void
-DrawIndexed(Vulkan* vk, u32 index_count, u32 instance_count, u32 index_offset, i32 vertex_offset)
+DrawIndexed(Vulkan* vk, u32 idx_count, u32 instance_count, u32 idx_offset, i32 vtx_offset, u32 first_instance)
 {
-  vkCmdDrawIndexed(vk.cmds[vk.frame_index], index_count, instance_count, index_offset, vertex_offset, 0);
+  vkCmdDrawIndexed(vk.cmds[vk.frame_index], idx_count, instance_count, idx_offset, vtx_offset, first_instance);
 }
 
 bool