diff --git a/libs/vkd3d/device.c b/libs/vkd3d/device.c
index 7008d3a5..01499efe 100644
--- a/libs/vkd3d/device.c
+++ b/libs/vkd3d/device.c
@@ -26,8 +26,8 @@ static HRESULT vkd3d_instance_init(struct vkd3d_instance *instance)
 {
     static const char * const extensions[] =
     {
-        "VK_KHR_surface",
-        "VK_KHR_xcb_surface",
+        VK_KHR_SURFACE_EXTENSION_NAME,
+        VK_KHR_XCB_SURFACE_EXTENSION_NAME,
     };
 
     VkApplicationInfo application_info;
@@ -359,7 +359,7 @@ static HRESULT vkd3d_create_vk_device(struct d3d12_device *device)
 {
     static const char * const extensions[] =
     {
-        "VK_KHR_swapchain",
+        VK_KHR_SWAPCHAIN_EXTENSION_NAME,
     };
 
     const struct vkd3d_vk_instance_procs *vk_procs = &device->vkd3d_instance.vk_procs;
diff --git a/libs/vkd3d/vkd3d_private.h b/libs/vkd3d/vkd3d_private.h
index ae881848..ca92ddc4 100644
--- a/libs/vkd3d/vkd3d_private.h
+++ b/libs/vkd3d/vkd3d_private.h
@@ -24,6 +24,7 @@
 #define __VKD3D_PRIVATE_H
 
 #define VK_NO_PROTOTYPES
+#define VK_USE_PLATFORM_XCB_KHR
 
 #define COBJMACROS
 #define NONAMELESSUNION