diff --git a/scripts/generate_oxr_ext_support.py b/scripts/generate_oxr_ext_support.py
index 290e5de57..7d259c656 100755
--- a/scripts/generate_oxr_ext_support.py
+++ b/scripts/generate_oxr_ext_support.py
@@ -30,7 +30,8 @@ EXTENSIONS = (
     ['XR_EXTX_overlay'],
     ['XR_MNDX_egl_enable', 'XR_USE_PLATFORM_EGL', 'XR_USE_GRAPHICS_API_OPENGL'],
     ['XR_MNDX_ball_on_a_stick_controller'],
-    ['XR_EXT_hand_tracking']
+    ['XR_EXT_hand_tracking'],
+    ['XR_FB_display_refresh_rate'],
 )
 
 ROOT = Path(__file__).resolve().parent.parent
diff --git a/src/xrt/state_trackers/oxr/oxr_extension_support.h b/src/xrt/state_trackers/oxr/oxr_extension_support.h
index a34b14f8a..27d74154d 100644
--- a/src/xrt/state_trackers/oxr/oxr_extension_support.h
+++ b/src/xrt/state_trackers/oxr/oxr_extension_support.h
@@ -256,6 +256,17 @@
 #define OXR_EXTENSION_SUPPORT_EXT_hand_tracking(_)
 #endif
 
+
+/*
+ * XR_FB_display_refresh_rate
+ */
+#if defined(XR_FB_display_refresh_rate)
+#define OXR_HAVE_FB_display_refresh_rate
+#define OXR_EXTENSION_SUPPORT_FB_display_refresh_rate(_) _(FB_display_refresh_rate, FB_DISPLAY_REFRESH_RATE)
+#else
+#define OXR_EXTENSION_SUPPORT_FB_display_refresh_rate(_)
+#endif
+
 // end of GENERATED per-extension defines - do not modify - used by scripts
 
 /*!
@@ -300,5 +311,6 @@
     OXR_EXTENSION_SUPPORT_EXTX_overlay(_) \
     OXR_EXTENSION_SUPPORT_MNDX_egl_enable(_) \
     OXR_EXTENSION_SUPPORT_MNDX_ball_on_a_stick_controller(_) \
-    OXR_EXTENSION_SUPPORT_EXT_hand_tracking(_)
+    OXR_EXTENSION_SUPPORT_EXT_hand_tracking(_) \
+    OXR_EXTENSION_SUPPORT_FB_display_refresh_rate(_)
 // clang-format on