diff --git a/dark_mode_backend/__manifest__.py b/dark_mode_backend/__manifest__.py
index 353f26ea6..322af0948 100644
--- a/dark_mode_backend/__manifest__.py
+++ b/dark_mode_backend/__manifest__.py
@@ -43,8 +43,8 @@
         },
     },
     'images': [
-        'static/description/banner.png',
-        'static/description/theme_screenshot.png',
+        'static/description/banner.jpg',
+        'static/description/theme_screenshot.jpg',
     ],
     'license': 'AGPL-3',
     'installable': True,