diff --git a/update.py b/update.py
index a352f1d..70532dd 100755
--- a/update.py
+++ b/update.py
@@ -206,9 +206,7 @@ def timedelta_to_offset_string(timed: datetime.timedelta):
     seconds = timed.days * 24 * 60 * 60 + timed.seconds
     minutes_offset = int(seconds / 60)
     hours_offset = int(minutes_offset / 60)
-    minutes_offset = minutes_offset - hours_offset * 60
-    if minutes_offset < 0:
-        minutes_offset += 60
+    minutes_offset = abs(minutes_offset - hours_offset * 60)
     return f"{hours_offset:+03d}:{minutes_offset:02d}"