diff --git a/examples/renderTest.php b/examples/renderTest.php
index cafe600..df1828d 100644
--- a/examples/renderTest.php
+++ b/examples/renderTest.php
@@ -231,7 +231,7 @@ foreach($taskModel->childsParams as $childParams){
     
     if(is_object($matOriginal)){
         $textureScaleU = $taskModel->uvScale*(MAT_STANDARD_SIZE/$matOriginal->width);
-        $textureScaleV = $taskModel->uvScale*(MAT_STANDARD_SIZE/$matOriginal->height);
+        $textureScaleV = $taskModel->uvScale*(MAT_STANDARD_SIZE/$matOriginal->height)*-1;
         $material = createLuxcoreMat($matOriginal, $textureScaleU, $textureScaleV, $cacheFileDir, $scene);
     }else{
         $material = new Disney();