diff --git a/fatrace.c b/fatrace.c
index b7d1560..6179272 100644
--- a/fatrace.c
+++ b/fatrace.c
@@ -149,6 +149,7 @@ print_event(const struct fanotify_event_metadata *data,
         printf ("%li.%06li ", event_time->tv_sec, event_time->tv_usec);
     }
     printf ("%s(%i): %s %s\n", procname, data->pid, mask2str (data->mask), pathname);
+    fflush(stdout);
 }
 
 /**