diff --git a/vulkan/libvulkan/driver.h b/vulkan/libvulkan/driver.h
index 4d2bbd6..4b855e5 100644
--- a/vulkan/libvulkan/driver.h
+++ b/vulkan/libvulkan/driver.h
@@ -98,6 +98,7 @@
 
     VkDevice driver_device;
     DeviceDriverTable driver;
+    VkPhysicalDevice driver_physical_device;
 };
 
 bool OpenHAL();