diff --git a/liquidsoap/management/commands/liquidsoap.py b/liquidsoap/management/commands/liquidsoap.py
index 1f5a60e..812703d 100644
--- a/liquidsoap/management/commands/liquidsoap.py
+++ b/liquidsoap/management/commands/liquidsoap.py
@@ -140,7 +140,7 @@ class Monitor:
                 dealer.playlist = diff.playlist
 
         # run the diff
-        if dealer.playlist == diff.playlist and diff.date <= now and not dealer.on:
+        if dealer.playlist == diff.playlist and diff.start <= now and not dealer.on:
             dealer.on = True
             for source in controller.streams.values():
                 source.skip()