diff --git a/src/internal.h b/src/internal.h
index 5293c71a..92bbfcce 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -128,7 +128,7 @@ typedef enum VkStructureType
     VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR = 1000006000,
     VK_STRUCTURE_TYPE_MIR_SURFACE_CREATE_INFO_KHR = 1000007000,
     VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR = 1000009000,
-    VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK = 1000053000,
+    VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK = 1000123000,
     VK_STRUCTURE_TYPE_MAX_ENUM = 0x7FFFFFFF
 } VkStructureType;