diff --git a/src/rendering/image.py b/src/rendering/image.py
index 04551f3..306bc1d 100644
--- a/src/rendering/image.py
+++ b/src/rendering/image.py
@@ -33,9 +33,9 @@ def generate_thumbnail(image_path, resize_percent, min_width, max_width):
             if orientation == 3:
                 img = img.rotate(180, expand=True)
             elif orientation == 6:
-                img = img.rotate(90, expand=True)
+                img = img.rotate(270, expand=True)
             elif orientation == 8:
-                img = img.rotate(90, expand=True)
+                img = img.rotate(270 expand=True)
         except (AttributeError, KeyError, IndexError):
             # cases: image don't have getexif
             exif = {}