diff worktime with difftime

diff --git a/src/worktime.c b/src/worktime.c
index 1a92d649da8b16be8fe83ef6d2d4e4565e60f810..a078c8d7a273b6b67200dd753a3d4623971fe7c2 100644 (file)
--- a/src/worktime.c
+++ b/src/worktime.c
@@ -6,7 +6,7 @@
 
 time_t get_current_worktime(time_t begin, time_t now)
 {
-       time_t worktime = now - begin;
+       time_t worktime = difftime(now, begin);
        worktime -= get_break_time(worktime);
 
        return worktime;