diff --git a/man2/pidfd_open.2 b/man2/pidfd_open.2
index 1776700b0..dc5232760 100644
--- a/man2/pidfd_open.2
+++ b/man2/pidfd_open.2
@@ -256,6 +256,7 @@ main(int argc, char *argv[])
     printf("Events (0x%x): POLLIN is %sset\en", pollfd.revents,
             (pollfd.revents & POLLIN) ? "" : "not ");
 
+    close(pidfd);
     exit(EXIT_SUCCESS);
 }
 .fi