diff --git a/lib/pidfile.c b/lib/pidfile.c
index ba71b34..c32ba98 100644
--- a/lib/pidfile.c
+++ b/lib/pidfile.c
@@ -107,5 +107,6 @@ pidfile_cleanup(void)
 	if (pidfile_path != NULL && pidfile_pid == getpid()) {
 		(void)unlink(pidfile_path);
 		free(pidfile_path);
+		pidfile_path = NULL;
 	}
 }