diff --git a/src/vulkan/util/vk_util.h b/src/vulkan/util/vk_util.h
index 295f6e474b4..3329a7d4e9f 100644
--- a/src/vulkan/util/vk_util.h
+++ b/src/vulkan/util/vk_util.h
@@ -377,7 +377,7 @@ vk_index_type_to_bytes(enum VkIndexType type)
 {
    switch (type) {
    case VK_INDEX_TYPE_NONE_KHR:  return 0;
-   case VK_INDEX_TYPE_UINT8_EXT: return 1;
+   case VK_INDEX_TYPE_UINT8_KHR: return 1;
    case VK_INDEX_TYPE_UINT16:    return 2;
    case VK_INDEX_TYPE_UINT32:    return 4;
    default:                      unreachable("Invalid index type");