diff --git a/main.py b/main.py
index 65b344a..cff20e5 100644
--- a/main.py
+++ b/main.py
@@ -377,7 +377,7 @@ async def reaction_callback(room: nio.MatrixRoom, event: nio.UnknownEvent, react
                 translated = lt.translate(original_body, from_lang, "en")
             except Exception:
                 return await send_text(room.room_id, "Something went wrong translating the message!")
-            lang = lt.detect(reacted_to_event.body)[0]["language"].upper() if from_lang == "auto" else from_lang.upper()
+            lang = lt.detect(original_body)[0]["language"].upper() if from_lang == "auto" else from_lang.upper()
             return await send_reply(room.room_id, reacted_to_event, "Translated from " + lang + " (" + flag_emoji("US" if lang == "EN" else lang) + "):\n" + translated + "\n")
 
 async def message_callback(room: nio.MatrixRoom, event: nio.RoomMessageText) -> None: