diff --git a/ffigen.yaml b/ffigen.yaml
index fdf05b8..ca129c2 100644
--- a/ffigen.yaml
+++ b/ffigen.yaml
@@ -6,3 +6,7 @@ headers:
     - 'native/include/CesiumTilesetCApi.h'
 ffi-native:
   assetId: package:cesium_3d_tiles/cesium_native/cesium_native.dart
+functions:
+  leaf:
+    include:
+      - 'CesiumGltfModel_applyRtcCenter'
\ No newline at end of file