diff -uNr at-3.2.1/daemon.c at-3.2.1.mod/daemon.c
--- at-3.2.1/daemon.c	2019-08-04 15:16:16.000000000 +0300
+++ at-3.2.1.mod/daemon.c	2020-01-02 20:33:14.107959511 +0200
@@ -51,6 +51,11 @@
 int daemon_debug = 0;
 int daemon_foreground = 0;
 
+#ifdef PIDFILE
+#undef PIDFILE
+#define PIDFILE "@TERMUX_PREFIX@/var/run/atd.pid"
+#endif
+
 static int
 lock_fd(int fd)
 {
