X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/eabec5f434225aa68aa33565d8cf5055f287662e..2e33f20df5d8e57ae837258967dba4307c4f986f:/luatz/timetable.lua

diff --git a/luatz/timetable.lua b/luatz/timetable.lua
index e2930d8..0dbf4c8 100644
--- a/luatz/timetable.lua
+++ b/luatz/timetable.lua
@@ -76,8 +76,8 @@ local function carry ( tens , units , base )
 		tens  = tens + idiv ( units , base )
 		units = units % base
 	elseif units < 0 then
-		tens  = tens - 1 + idiv ( -units , base )
-		units = base - ( -units % base )
+		tens  = tens + idiv ( units , base )
+		units = ( base + units ) % base
 	end
 	return tens , units
 end