diff --git a/mautrix_telegram/portal.py b/mautrix_telegram/portal.py
index 4a4e9ea6..86f4fe6c 100644
--- a/mautrix_telegram/portal.py
+++ b/mautrix_telegram/portal.py
@@ -960,8 +960,6 @@ class Portal:
                 attrs["sticker_alt"] = attr.alt
             elif isinstance(attr, DocumentAttributeVideo):
                 attrs["width"], attrs["height"] = attr.w, attr.h
-        print([str(attr) for attr in attributes])
-        print(attrs)
         return attrs
 
     @staticmethod
diff --git a/mautrix_telegram/util/file_transfer.py b/mautrix_telegram/util/file_transfer.py
index d2e00d8b..4a6c290e 100644
--- a/mautrix_telegram/util/file_transfer.py
+++ b/mautrix_telegram/util/file_transfer.py
@@ -143,10 +143,11 @@ async def transfer_file_to_matrix(db, client, intent, location, thumbnail=None,
 
     image_converted = False
     if mime_type == "image/webp":
-        mime_type, file, width, height = _convert_webp(file, to="png", thumbnail_to=(
+        new_mime_type, file, width, height = _convert_webp(file, to="png", thumbnail_to=(
             256, 256) if is_sticker else None)
+        image_converted = new_mime_type != mime_type
+        mime_type = new_mime_type
         thumbnail = None
-        image_converted = True
 
     uploaded = await intent.upload_file(file, mime_type)