diff --git a/gfx/common/vulkan_common.h b/gfx/common/vulkan_common.h
index a0eeb374e3..33cb75ee5e 100644
--- a/gfx/common/vulkan_common.h
+++ b/gfx/common/vulkan_common.h
@@ -44,6 +44,7 @@ enum vulkan_wsi_type
 {
    VULKAN_WSI_NONE = 0,
    VULKAN_WSI_WAYLAND,
+   VULKAN_WSI_MIR,
    VULKAN_WSI_ANDROID,
    VULKAN_WSI_WIN32,
    VULKAN_WSI_XCB,