diff --git a/exports/formats/simplified_radiosity_algorithm.py b/exports/formats/simplified_radiosity_algorithm.py
index d40a4908..84e6bd30 100644
--- a/exports/formats/simplified_radiosity_algorithm.py
+++ b/exports/formats/simplified_radiosity_algorithm.py
@@ -48,7 +48,7 @@ class SimplifiedRadiosityAlgorithm:
       for surface in building.surfaces:
         surface_dict = {
           '@id': f'{surface.id}',
-          '@ShortWaveReflectance': f'{surface.swr}'
+          '@ShortWaveReflectance': f'{surface.short_wave_reflectance}'
         }
         for point_index, point in enumerate(surface.perimeter_polygon.coordinates):
           point = self._correct_point(point)