fix a typo in is_slot_early()

1 files changed, 1 insertions, 1 deletions

diff --git a/src/dc.c b/src/dc.c
index 8b85070..fa02ac1 100644
--- a/src/dc.c
+++ b/src/dc.c
@@ -697,7 +697,7 @@ int is_slot_early(event *ev, int flasher_pmt_id)
     t_slot /= n_slot;
     t_nearby /= n_nearby;
 
-    return t_slot < t_nearby + 10.0;
+    return t_slot < t_nearby - 10.0;
 }
 
 /* Returns 1 if the event is a flasher and 0 if it isn't. The definition of