diff --git a/vulkan/libvulkan/driver.cpp b/vulkan/libvulkan/driver.cpp
index 32f777d..71bfecf 100644
--- a/vulkan/libvulkan/driver.cpp
+++ b/vulkan/libvulkan/driver.cpp
@@ -472,6 +472,9 @@
                 hook_extensions_.set(ext_bit);
                 // return now as these extensions do not require HAL support
                 return;
+            case ProcHook::EXT_hdr_metadata:
+                hook_extensions_.set(ext_bit);
+                break;
             case ProcHook::EXTENSION_UNKNOWN:
                 // HAL's extensions
                 break;
@@ -737,12 +740,14 @@
     uint32_t* pPropertyCount,
     VkExtensionProperties* pProperties) {
     const InstanceData& data = GetData(physicalDevice);
-    static const std::array<VkExtensionProperties, 2> loader_extensions = {{
+    static const std::array<VkExtensionProperties, 3> loader_extensions = {{
         // WSI extensions
         {VK_KHR_INCREMENTAL_PRESENT_EXTENSION_NAME,
          VK_KHR_INCREMENTAL_PRESENT_SPEC_VERSION},
         {VK_GOOGLE_DISPLAY_TIMING_EXTENSION_NAME,
          VK_GOOGLE_DISPLAY_TIMING_SPEC_VERSION},
+        {VK_EXT_HDR_METADATA_EXTENSION_NAME,
+         VK_EXT_HDR_METADATA_SPEC_VERSION},
     }};
 
     // enumerate our extensions first