diff --git a/Convertor/Convertor.php b/Convertor/Convertor.php
index 5108a7d..2761131 100644
--- a/Convertor/Convertor.php
+++ b/Convertor/Convertor.php
@@ -70,6 +70,11 @@ public function convertImage(Image $image): Image
             throw new ConvertorException('WebP conversion is not enabled');
         }
 
+        // @todo: allowed image mime types over xml
+        if(!in_array($image->getMimetype(), ['jpeg','jpg','png'])){
+            throw new ConvertorException('The follwing image type is not supported ' . $image->getMimetype());
+        }
+
         // @todo: https://gitlab.hyva.io/hyva-themes/hyva-compat/magento2-yireo-next-gen-images/-/blob/main/src/Plugin/ConverterPlugin.php#L50
 
         $webpImage = $this->targetImageFactory->create($image, 'webp');