diff --git a/bin/work b/bin/work
index bae7f33..f60905b 100755
--- a/bin/work
+++ b/bin/work
@@ -191,7 +191,7 @@ def work_end(args):
     total_time = day_end - day_start
     break_time = total_time - worked_time
     with open(TIME_FILE, "a") as f:
-        f.write("{},{},{},{},{},{}\n".format(
+        f.write('{},{},{},{},{},"{}"\n'.format(
             fields[0],
             day_start.strftime("%H:%M"),
             start_time.strftime("%H:%M"),