diff --git a/thermion_dart/lib/src/viewer/src/ffi/src/thermion_viewer_ffi.dart b/thermion_dart/lib/src/viewer/src/ffi/src/thermion_viewer_ffi.dart
index 8e6eccec..147b2e8e 100644
--- a/thermion_dart/lib/src/viewer/src/ffi/src/thermion_viewer_ffi.dart
+++ b/thermion_dart/lib/src/viewer/src/ffi/src/thermion_viewer_ffi.dart
@@ -330,11 +330,11 @@ class ThermionViewerFFI extends ThermionViewer {
   ///
   ///
   ///
-  Future loadIblFromTexture(Texture texture, { double intensity = 30000, bool destroyExisting = true}) async {
+  Future loadIblFromTexture(Texture texture, { Texture? reflectionsTexture = null, double intensity = 30000, bool destroyExisting = true}) async {
     await removeIbl(destroy: destroyExisting);
 
     final ibl = await FFIIndirectLight.fromIrradianceTexture(texture,
-          reflectionsTexture: texture, intensity: intensity);
+          reflectionsTexture: reflectionsTexture, intensity: intensity);
 
     await scene.setIndirectLight(ibl);
   }
diff --git a/thermion_dart/lib/src/viewer/src/thermion_viewer_base.dart b/thermion_dart/lib/src/viewer/src/thermion_viewer_base.dart
index 93898067..51b189cb 100644
--- a/thermion_dart/lib/src/viewer/src/thermion_viewer_base.dart
+++ b/thermion_dart/lib/src/viewer/src/thermion_viewer_base.dart
@@ -103,7 +103,7 @@ abstract class ThermionViewer {
   ///
   ///
   Future loadIblFromTexture(Texture texture,
-      {double intensity = 30000, bool destroyExisting = true});
+      {Texture? reflectionsTexture, double intensity = 30000, bool destroyExisting = true});
 
   ///
   /// Rotates the IBL & skybox.