diff --git a/src/utils/MatHelper.php b/src/utils/MatHelper.php
index 5bcacc2..4f8e46b 100644
--- a/src/utils/MatHelper.php
+++ b/src/utils/MatHelper.php
@@ -37,7 +37,7 @@ class MatHelper{
             $material->setFilmior($matOriginal->matParams->filmIor);
         }
         if($matOriginal->matParams->isSheenEnabled === self::OPEN){
-            $material->setSheen(($matOriginal->matParams->sheen)*100);
+            $material->setSheen(($matOriginal->matParams->sheen)*(100/3));
         }
         if($matOriginal->matParams->isAnisotropyEnabled === self::OPEN){
             $material->setAnisotropic($matOriginal->matParams->anisotropy);