diff --git a/scripts/generate_oxr_ext_support.py b/scripts/generate_oxr_ext_support.py
index cc322c23c..ac137ff33 100755
--- a/scripts/generate_oxr_ext_support.py
+++ b/scripts/generate_oxr_ext_support.py
@@ -19,6 +19,7 @@ EXTENSIONS = (
     ['XR_KHR_composition_layer_equirect2', 'XRT_FEATURE_OPENXR_LAYER_EQUIRECT2'],
     ['XR_KHR_convert_timespec_time', 'XR_USE_TIMESPEC'],
     ['XR_KHR_D3D11_enable', 'XR_USE_GRAPHICS_API_D3D11'],
+    ['XR_KHR_D3D12_enable', 'XR_USE_GRAPHICS_API_D3D12'],
     ['XR_KHR_loader_init', 'XR_USE_PLATFORM_ANDROID'],
     ['XR_KHR_loader_init_android', 'OXR_HAVE_KHR_loader_init', 'XR_USE_PLATFORM_ANDROID'],
     ['XR_KHR_opengl_enable', 'XR_USE_GRAPHICS_API_OPENGL'],
diff --git a/src/xrt/state_trackers/oxr/oxr_extension_support.h b/src/xrt/state_trackers/oxr/oxr_extension_support.h
index e424560a9..5ddb97bea 100644
--- a/src/xrt/state_trackers/oxr/oxr_extension_support.h
+++ b/src/xrt/state_trackers/oxr/oxr_extension_support.h
@@ -123,6 +123,17 @@
 #endif
 
 
+/*
+ * XR_KHR_D3D12_enable
+ */
+#if defined(XR_KHR_D3D12_enable) && defined(XR_USE_GRAPHICS_API_D3D12)
+#define OXR_HAVE_KHR_D3D12_enable
+#define OXR_EXTENSION_SUPPORT_KHR_D3D12_enable(_) _(KHR_D3D12_enable, KHR_D3D12_ENABLE)
+#else
+#define OXR_EXTENSION_SUPPORT_KHR_D3D12_enable(_)
+#endif
+
+
 /*
  * XR_KHR_loader_init
  */
@@ -346,6 +357,7 @@
     OXR_EXTENSION_SUPPORT_KHR_composition_layer_equirect2(_) \
     OXR_EXTENSION_SUPPORT_KHR_convert_timespec_time(_) \
     OXR_EXTENSION_SUPPORT_KHR_D3D11_enable(_) \
+    OXR_EXTENSION_SUPPORT_KHR_D3D12_enable(_) \
     OXR_EXTENSION_SUPPORT_KHR_loader_init(_) \
     OXR_EXTENSION_SUPPORT_KHR_loader_init_android(_) \
     OXR_EXTENSION_SUPPORT_KHR_opengl_enable(_) \