diff --git a/gradia/graphics/image_processor.py b/gradia/graphics/image_processor.py
index f882147..fa73fee 100644
--- a/gradia/graphics/image_processor.py
+++ b/gradia/graphics/image_processor.py
@@ -128,11 +128,11 @@ def _apply_rotation(self, image: Image.Image) -> Image.Image:
         if self.rotation == 0:
             return image
         elif self.rotation == 90:
-            return image.transpose(Image.ROTATE_90)
+            return image.transpose(Image.ROTATE_270)
         elif self.rotation == 180:
             return image.transpose(Image.ROTATE_180)
         elif self.rotation == 270:
-            return image.transpose(Image.ROTATE_270)
+            return image.transpose(Image.ROTATE_90)
         else:
             return image