diff --git a/commands/simple/usyslogd.c b/commands/simple/usyslogd.c
index 1cca54599..0fd3a33c7 100644
--- a/commands/simple/usyslogd.c
+++ b/commands/simple/usyslogd.c
@@ -98,6 +98,7 @@ main(int argc, char *argv[])
 			copy(klog_fd, logfp);
 		}
 		fflush(logfp);
+		sync();
 	}
 
 	return 0;