diff --git a/src/endpoints/bettwaage.py b/src/endpoints/bettwaage.py
index a3ee5c3..50cbbe0 100644
--- a/src/endpoints/bettwaage.py
+++ b/src/endpoints/bettwaage.py
@@ -63,9 +63,9 @@ async def add_weight(tl: int, tr: int, bl: int, br: int):
     latest_values = [tl, tr, bl, br]
 
     tl = convert_to_weight(tl, zero_values[0], scale_values[0])
-    tr = convert_to_weight(tl, zero_values[1], scale_values[1])
-    bl = convert_to_weight(tl, zero_values[2], scale_values[2])
-    br = convert_to_weight(tl, zero_values[3], scale_values[3])
+    tr = convert_to_weight(tr, zero_values[1], scale_values[1])
+    bl = convert_to_weight(bl, zero_values[2], scale_values[2])
+    br = convert_to_weight(br, zero_values[3], scale_values[3])
 
     sum = tl + tr + bl + br
     add_line_to_history(f"{str(datetime.now())};{tl};{tr};{bl};{br};{sum};")