diff --git a/docs/features.txt b/docs/features.txt
index 839ff54c025..6abf0955175 100644
--- a/docs/features.txt
+++ b/docs/features.txt
@@ -584,7 +584,7 @@ Khronos extensions that are not part of any Vulkan version:
   VK_EXT_global_priority                                DONE (anv, hasvk, radv, tu)
   VK_EXT_global_priority_query                          DONE (anv, hasvk, radv, tu)
   VK_EXT_graphics_pipeline_library                      DONE (anv, lvp, radv, tu, vn)
-  VK_EXT_headless_surface                               DONE (anv, hasvk, radv, tu, v3dv)
+  VK_EXT_headless_surface                               DONE (anv, dzn, hasvk, radv, tu, v3dv)
   VK_EXT_image_2d_view_of_3d                            DONE (anv, hasvk, lvp, nvk, radv, tu, vn)
   VK_EXT_image_compression_control                      DONE (radv)
   VK_EXT_image_drm_format_modifier                      DONE (anv, hasvk, radv/gfx9+, tu, v3dv, vn)
diff --git a/src/microsoft/vulkan/dzn_device.c b/src/microsoft/vulkan/dzn_device.c
index 762a481ed66..ab1677598a6 100644
--- a/src/microsoft/vulkan/dzn_device.c
+++ b/src/microsoft/vulkan/dzn_device.c
@@ -89,6 +89,9 @@ static const struct vk_instance_extension_table instance_extensions = {
 #endif
 #ifdef VK_USE_PLATFORM_XLIB_KHR
    .KHR_xlib_surface                         = true,
+#endif
+#ifndef VK_USE_PLATFORM_WIN32_KHR
+   .EXT_headless_surface                     = true,
 #endif
    .EXT_debug_report                         = true,
    .EXT_debug_utils                          = true,